21082912212

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{617}}^1\times {\mathrm{66221}}^1$

素因数の和:66888

約数の個数: 48

約数和(自身を含む): 50419841472

約数和(自身を除く): 29336929260

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 617, 1234, 1851, 2468, 3702, 7404, 26531, 53062, 66221, 79593, 106124, 132442, 159186, 198663, 264884, 318372, 397326, 794652, 2847503, 5695006, 8542509, 11390012, 17085018, 34170036, 40858357, 81716714, 122575071, 163433428, 245150142, 490300284, 1756909351, 3513818702, 5270728053, 7027637404, 10541456106, 21082912212]

約数ペア:

[(1, 21082912212), (2, 10541456106), (3, 7027637404), (4, 5270728053), (6, 3513818702), (12, 1756909351), (43, 490300284), (86, 245150142), (129, 163433428), (172, 122575071), (258, 81716714), (516, 40858357), (617, 34170036), (1234, 17085018), (1851, 11390012), (2468, 8542509), (3702, 5695006), (7404, 2847503), (26531, 794652), (53062, 397326), (66221, 318372), (79593, 264884), (106124, 198663), (132442, 159186)]