21311892

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3677}}^1$

素因数の和:3717

約数の個数: 72

約数和(自身を含む): 64262016

約数和(自身を除く): 42950124

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 42, 46, 63, 69, 84, 92, 126, 138, 161, 207, 252, 276, 322, 414, 483, 644, 828, 966, 1449, 1932, 2898, 3677, 5796, 7354, 11031, 14708, 22062, 25739, 33093, 44124, 51478, 66186, 77217, 84571, 102956, 132372, 154434, 169142, 231651, 253713, 308868, 338284, 463302, 507426, 591997, 761139, 926604, 1014852, 1183994, 1522278, 1775991, 2367988, 3044556, 3551982, 5327973, 7103964, 10655946, 21311892]

約数ペア:

[(1, 21311892), (2, 10655946), (3, 7103964), (4, 5327973), (6, 3551982), (7, 3044556), (9, 2367988), (12, 1775991), (14, 1522278), (18, 1183994), (21, 1014852), (23, 926604), (28, 761139), (36, 591997), (42, 507426), (46, 463302), (63, 338284), (69, 308868), (84, 253713), (92, 231651), (126, 169142), (138, 154434), (161, 132372), (207, 102956), (252, 84571), (276, 77217), (322, 66186), (414, 51478), (483, 44124), (644, 33093), (828, 25739), (966, 22062), (1449, 14708), (1932, 11031), (2898, 7354), (3677, 5796)]