21307608

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{631}}^1$

素因数の和:717

約数の個数: 96

約数和(自身を含む): 67042560

約数和(自身を除く): 45734952

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 67, 72, 84, 126, 134, 168, 201, 252, 268, 402, 469, 504, 536, 603, 631, 804, 938, 1206, 1262, 1407, 1608, 1876, 1893, 2412, 2524, 2814, 3752, 3786, 4221, 4417, 4824, 5048, 5628, 5679, 7572, 8442, 8834, 11256, 11358, 13251, 15144, 16884, 17668, 22716, 26502, 33768, 35336, 39753, 42277, 45432, 53004, 79506, 84554, 106008, 126831, 159012, 169108, 253662, 295939, 318024, 338216, 380493, 507324, 591878, 760986, 887817, 1014648, 1183756, 1521972, 1775634, 2367512, 2663451, 3043944, 3551268, 5326902, 7102536, 10653804, 21307608]

約数ペア:

[(1, 21307608), (2, 10653804), (3, 7102536), (4, 5326902), (6, 3551268), (7, 3043944), (8, 2663451), (9, 2367512), (12, 1775634), (14, 1521972), (18, 1183756), (21, 1014648), (24, 887817), (28, 760986), (36, 591878), (42, 507324), (56, 380493), (63, 338216), (67, 318024), (72, 295939), (84, 253662), (126, 169108), (134, 159012), (168, 126831), (201, 106008), (252, 84554), (268, 79506), (402, 53004), (469, 45432), (504, 42277), (536, 39753), (603, 35336), (631, 33768), (804, 26502), (938, 22716), (1206, 17668), (1262, 16884), (1407, 15144), (1608, 13251), (1876, 11358), (1893, 11256), (2412, 8834), (2524, 8442), (2814, 7572), (3752, 5679), (3786, 5628), (4221, 5048), (4417, 4824)]