21177156735

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{421}}^1$

素因数の和:646

約数の個数: 192

約数和(自身を含む): 45048047616

約数和(自身を除く): 23870890881

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 35, 45, 53, 63, 69, 105, 115, 131, 159, 161, 207, 265, 315, 345, 371, 393, 421, 477, 483, 655, 795, 805, 917, 1035, 1113, 1179, 1219, 1263, 1449, 1855, 1965, 2105, 2385, 2415, 2751, 2947, 3013, 3339, 3657, 3789, 4585, 5565, 5895, 6095, 6315, 6943, 7245, 8253, 8533, 8841, 9039, 9683, 10971, 13755, 14735, 15065, 16695, 18285, 18945, 20829, 21091, 22313, 25599, 26523, 27117, 29049, 34715, 41265, 42665, 44205, 45195, 48415, 48601, 54855, 55151, 62487, 63273, 66939, 67781, 76797, 87147, 104145, 105455, 111565, 127995, 132615, 135585, 145245, 145803, 156191, 159689, 165453, 189819, 200817, 203343, 243005, 275755, 312435, 316365, 334695, 338905, 383985, 386057, 435735, 437409, 468573, 479067, 496359, 513199, 610029, 729015, 780955, 798445, 827265, 949095, 1004085, 1016715, 1117823, 1158171, 1268473, 1405719, 1437201, 1539597, 1930285, 2187045, 2342865, 2395335, 2481795, 2565995, 2923003, 3050145, 3353469, 3474513, 3592393, 3805419, 4618791, 5589115, 5790855, 6342365, 7028595, 7186005, 7697985, 8769009, 8879311, 10060407, 10777179, 11416257, 14615015, 16767345, 17372565, 17961965, 19027095, 20461021, 23093955, 26307027, 26637933, 32331537, 43845045, 44396555, 50302035, 53885895, 57081285, 61383063, 67229069, 79913799, 102305105, 131535135, 133189665, 161657685, 184149189, 201687207, 306915315, 336145345, 399568995, 470603483, 605061621, 920745945, 1008436035, 1411810449, 2353017415, 3025308105, 4235431347, 7059052245, 21177156735]

約数ペア:

[(1, 21177156735), (3, 7059052245), (5, 4235431347), (7, 3025308105), (9, 2353017415), (15, 1411810449), (21, 1008436035), (23, 920745945), (35, 605061621), (45, 470603483), (53, 399568995), (63, 336145345), (69, 306915315), (105, 201687207), (115, 184149189), (131, 161657685), (159, 133189665), (161, 131535135), (207, 102305105), (265, 79913799), (315, 67229069), (345, 61383063), (371, 57081285), (393, 53885895), (421, 50302035), (477, 44396555), (483, 43845045), (655, 32331537), (795, 26637933), (805, 26307027), (917, 23093955), (1035, 20461021), (1113, 19027095), (1179, 17961965), (1219, 17372565), (1263, 16767345), (1449, 14615015), (1855, 11416257), (1965, 10777179), (2105, 10060407), (2385, 8879311), (2415, 8769009), (2751, 7697985), (2947, 7186005), (3013, 7028595), (3339, 6342365), (3657, 5790855), (3789, 5589115), (4585, 4618791), (5565, 3805419), (5895, 3592393), (6095, 3474513), (6315, 3353469), (6943, 3050145), (7245, 2923003), (8253, 2565995), (8533, 2481795), (8841, 2395335), (9039, 2342865), (9683, 2187045), (10971, 1930285), (13755, 1539597), (14735, 1437201), (15065, 1405719), (16695, 1268473), (18285, 1158171), (18945, 1117823), (20829, 1016715), (21091, 1004085), (22313, 949095), (25599, 827265), (26523, 798445), (27117, 780955), (29049, 729015), (34715, 610029), (41265, 513199), (42665, 496359), (44205, 479067), (45195, 468573), (48415, 437409), (48601, 435735), (54855, 386057), (55151, 383985), (62487, 338905), (63273, 334695), (66939, 316365), (67781, 312435), (76797, 275755), (87147, 243005), (104145, 203343), (105455, 200817), (111565, 189819), (127995, 165453), (132615, 159689), (135585, 156191), (145245, 145803)]