21569982

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{2131}}^1$

素因数の和:2384

約数の個数: 32

約数和(自身を含む): 49530624

約数和(自身を除く): 27960642

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 241, 482, 723, 1446, 1687, 2131, 3374, 4262, 5061, 6393, 10122, 12786, 14917, 29834, 44751, 89502, 513571, 1027142, 1540713, 3081426, 3594997, 7189994, 10784991, 21569982]

約数ペア:

[(1, 21569982), (2, 10784991), (3, 7189994), (6, 3594997), (7, 3081426), (14, 1540713), (21, 1027142), (42, 513571), (241, 89502), (482, 44751), (723, 29834), (1446, 14917), (1687, 12786), (2131, 10122), (3374, 6393), (4262, 5061)]