21517704

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:204

約数の個数: 128

約数和(自身を含む): 65856000

約数和(自身を除く): 44338296

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 79, 97, 104, 108, 117, 156, 158, 194, 216, 234, 237, 291, 312, 316, 351, 388, 468, 474, 582, 632, 702, 711, 776, 873, 936, 948, 1027, 1164, 1261, 1404, 1422, 1746, 1896, 2054, 2133, 2328, 2522, 2619, 2808, 2844, 3081, 3492, 3783, 4108, 4266, 5044, 5238, 5688, 6162, 6984, 7566, 7663, 8216, 8532, 9243, 10088, 10476, 11349, 12324, 15132, 15326, 17064, 18486, 20952, 22698, 22989, 24648, 27729, 30264, 30652, 34047, 36972, 45396, 45978, 55458, 61304, 68094, 68967, 73944, 90792, 91956, 99619, 110916, 136188, 137934, 183912, 199238, 206901, 221832, 272376, 275868, 298857, 398476, 413802, 551736, 597714, 796952, 827604, 896571, 1195428, 1655208, 1793142, 2390856, 2689713, 3586284, 5379426, 7172568, 10758852, 21517704]

約数ペア:

[(1, 21517704), (2, 10758852), (3, 7172568), (4, 5379426), (6, 3586284), (8, 2689713), (9, 2390856), (12, 1793142), (13, 1655208), (18, 1195428), (24, 896571), (26, 827604), (27, 796952), (36, 597714), (39, 551736), (52, 413802), (54, 398476), (72, 298857), (78, 275868), (79, 272376), (97, 221832), (104, 206901), (108, 199238), (117, 183912), (156, 137934), (158, 136188), (194, 110916), (216, 99619), (234, 91956), (237, 90792), (291, 73944), (312, 68967), (316, 68094), (351, 61304), (388, 55458), (468, 45978), (474, 45396), (582, 36972), (632, 34047), (702, 30652), (711, 30264), (776, 27729), (873, 24648), (936, 22989), (948, 22698), (1027, 20952), (1164, 18486), (1261, 17064), (1404, 15326), (1422, 15132), (1746, 12324), (1896, 11349), (2054, 10476), (2133, 10088), (2328, 9243), (2522, 8532), (2619, 8216), (2808, 7663), (2844, 7566), (3081, 6984), (3492, 6162), (3783, 5688), (4108, 5238), (4266, 5044)]