21931140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:178

約数の個数: 192

約数和(自身を含む): 78962688

約数和(自身を除く): 57031548

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 47, 55, 60, 66, 70, 77, 84, 94, 101, 105, 110, 132, 140, 141, 154, 165, 188, 202, 210, 220, 231, 235, 282, 303, 308, 329, 330, 385, 404, 420, 462, 470, 505, 517, 564, 606, 658, 660, 705, 707, 770, 924, 940, 987, 1010, 1034, 1111, 1155, 1212, 1316, 1410, 1414, 1515, 1540, 1551, 1645, 1974, 2020, 2068, 2121, 2222, 2310, 2585, 2820, 2828, 3030, 3102, 3290, 3333, 3535, 3619, 3948, 4242, 4444, 4620, 4747, 4935, 5170, 5555, 6060, 6204, 6580, 6666, 7070, 7238, 7755, 7777, 8484, 9494, 9870, 10340, 10605, 10857, 11110, 13332, 14140, 14241, 14476, 15510, 15554, 16665, 18095, 18988, 19740, 21210, 21714, 22220, 23331, 23735, 28482, 31020, 31108, 33229, 33330, 36190, 38885, 42420, 43428, 46662, 47470, 52217, 54285, 56964, 66458, 66660, 71205, 72380, 77770, 93324, 94940, 99687, 104434, 108570, 116655, 132916, 142410, 155540, 156651, 166145, 199374, 208868, 217140, 233310, 261085, 284820, 313302, 332290, 365519, 398748, 466620, 498435, 522170, 626604, 664580, 731038, 783255, 996870, 1044340, 1096557, 1462076, 1566510, 1827595, 1993740, 2193114, 3133020, 3655190, 4386228, 5482785, 7310380, 10965570, 21931140]

約数ペア:

[(1, 21931140), (2, 10965570), (3, 7310380), (4, 5482785), (5, 4386228), (6, 3655190), (7, 3133020), (10, 2193114), (11, 1993740), (12, 1827595), (14, 1566510), (15, 1462076), (20, 1096557), (21, 1044340), (22, 996870), (28, 783255), (30, 731038), (33, 664580), (35, 626604), (42, 522170), (44, 498435), (47, 466620), (55, 398748), (60, 365519), (66, 332290), (70, 313302), (77, 284820), (84, 261085), (94, 233310), (101, 217140), (105, 208868), (110, 199374), (132, 166145), (140, 156651), (141, 155540), (154, 142410), (165, 132916), (188, 116655), (202, 108570), (210, 104434), (220, 99687), (231, 94940), (235, 93324), (282, 77770), (303, 72380), (308, 71205), (329, 66660), (330, 66458), (385, 56964), (404, 54285), (420, 52217), (462, 47470), (470, 46662), (505, 43428), (517, 42420), (564, 38885), (606, 36190), (658, 33330), (660, 33229), (705, 31108), (707, 31020), (770, 28482), (924, 23735), (940, 23331), (987, 22220), (1010, 21714), (1034, 21210), (1111, 19740), (1155, 18988), (1212, 18095), (1316, 16665), (1410, 15554), (1414, 15510), (1515, 14476), (1540, 14241), (1551, 14140), (1645, 13332), (1974, 11110), (2020, 10857), (2068, 10605), (2121, 10340), (2222, 9870), (2310, 9494), (2585, 8484), (2820, 7777), (2828, 7755), (3030, 7238), (3102, 7070), (3290, 6666), (3333, 6580), (3535, 6204), (3619, 6060), (3948, 5555), (4242, 5170), (4444, 4935), (4620, 4747)]