221157972

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{23}}^2\times {\mathrm{79}}^1$

素因数の和:152

約数の個数: 216

約数和(自身を含む): 706070400

約数和(自身を除く): 484912428

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 27, 28, 36, 42, 46, 49, 54, 63, 69, 79, 84, 92, 98, 108, 126, 138, 147, 158, 161, 189, 196, 207, 237, 252, 276, 294, 316, 322, 378, 414, 441, 474, 483, 529, 553, 588, 621, 644, 711, 756, 828, 882, 948, 966, 1058, 1106, 1127, 1242, 1323, 1422, 1449, 1587, 1659, 1764, 1817, 1932, 2116, 2133, 2212, 2254, 2484, 2646, 2844, 2898, 3174, 3318, 3381, 3634, 3703, 3871, 4266, 4347, 4508, 4761, 4977, 5292, 5451, 5796, 6348, 6636, 6762, 7268, 7406, 7742, 8532, 8694, 9522, 9954, 10143, 10902, 11109, 11613, 12719, 13524, 14283, 14812, 14931, 15484, 16353, 17388, 19044, 19908, 20286, 21804, 22218, 23226, 25438, 25921, 28566, 29862, 30429, 32706, 33327, 34839, 38157, 40572, 41791, 44436, 46452, 49059, 50876, 51842, 57132, 59724, 60858, 65412, 66654, 69678, 76314, 77763, 83582, 89033, 98118, 99981, 103684, 104517, 114471, 121716, 125373, 133308, 139356, 152628, 155526, 167164, 178066, 196236, 199962, 209034, 228942, 233289, 250746, 267099, 292537, 311052, 343413, 356132, 376119, 399924, 418068, 457884, 466578, 501492, 534198, 585074, 686826, 699867, 752238, 801297, 877611, 933156, 1068396, 1128357, 1170148, 1373652, 1399734, 1504476, 1602594, 1755222, 2047759, 2256714, 2403891, 2632833, 2799468, 3205188, 3510444, 4095518, 4513428, 4807782, 5265666, 6143277, 7898499, 8191036, 9615564, 10531332, 12286554, 15796998, 18429831, 24573108, 31593996, 36859662, 55289493, 73719324, 110578986, 221157972]

約数ペア:

[(1, 221157972), (2, 110578986), (3, 73719324), (4, 55289493), (6, 36859662), (7, 31593996), (9, 24573108), (12, 18429831), (14, 15796998), (18, 12286554), (21, 10531332), (23, 9615564), (27, 8191036), (28, 7898499), (36, 6143277), (42, 5265666), (46, 4807782), (49, 4513428), (54, 4095518), (63, 3510444), (69, 3205188), (79, 2799468), (84, 2632833), (92, 2403891), (98, 2256714), (108, 2047759), (126, 1755222), (138, 1602594), (147, 1504476), (158, 1399734), (161, 1373652), (189, 1170148), (196, 1128357), (207, 1068396), (237, 933156), (252, 877611), (276, 801297), (294, 752238), (316, 699867), (322, 686826), (378, 585074), (414, 534198), (441, 501492), (474, 466578), (483, 457884), (529, 418068), (553, 399924), (588, 376119), (621, 356132), (644, 343413), (711, 311052), (756, 292537), (828, 267099), (882, 250746), (948, 233289), (966, 228942), (1058, 209034), (1106, 199962), (1127, 196236), (1242, 178066), (1323, 167164), (1422, 155526), (1449, 152628), (1587, 139356), (1659, 133308), (1764, 125373), (1817, 121716), (1932, 114471), (2116, 104517), (2133, 103684), (2212, 99981), (2254, 98118), (2484, 89033), (2646, 83582), (2844, 77763), (2898, 76314), (3174, 69678), (3318, 66654), (3381, 65412), (3634, 60858), (3703, 59724), (3871, 57132), (4266, 51842), (4347, 50876), (4508, 49059), (4761, 46452), (4977, 44436), (5292, 41791), (5451, 40572), (5796, 38157), (6348, 34839), (6636, 33327), (6762, 32706), (7268, 30429), (7406, 29862), (7742, 28566), (8532, 25921), (8694, 25438), (9522, 23226), (9954, 22218), (10143, 21804), (10902, 20286), (11109, 19908), (11613, 19044), (12719, 17388), (13524, 16353), (14283, 15484), (14812, 14931)]