21842268

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{3881}}^1$

素因数の和:3962

約数の個数: 48

約数和(自身を含む): 59130624

約数和(自身を除く): 37288356

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 67, 84, 134, 201, 268, 402, 469, 804, 938, 1407, 1876, 2814, 3881, 5628, 7762, 11643, 15524, 23286, 27167, 46572, 54334, 81501, 108668, 163002, 260027, 326004, 520054, 780081, 1040108, 1560162, 1820189, 3120324, 3640378, 5460567, 7280756, 10921134, 21842268]

約数ペア:

[(1, 21842268), (2, 10921134), (3, 7280756), (4, 5460567), (6, 3640378), (7, 3120324), (12, 1820189), (14, 1560162), (21, 1040108), (28, 780081), (42, 520054), (67, 326004), (84, 260027), (134, 163002), (201, 108668), (268, 81501), (402, 54334), (469, 46572), (804, 27167), (938, 23286), (1407, 15524), (1876, 11643), (2814, 7762), (3881, 5628)]