21537464

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{5051}}^1$

素因数の和:5111

約数の個数: 32

約数和(自身を含む): 44558640

約数和(自身を除く): 23021176

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 82, 104, 164, 328, 533, 1066, 2132, 4264, 5051, 10102, 20204, 40408, 65663, 131326, 207091, 262652, 414182, 525304, 828364, 1656728, 2692183, 5384366, 10768732, 21537464]

約数ペア:

[(1, 21537464), (2, 10768732), (4, 5384366), (8, 2692183), (13, 1656728), (26, 828364), (41, 525304), (52, 414182), (82, 262652), (104, 207091), (164, 131326), (328, 65663), (533, 40408), (1066, 20204), (2132, 10102), (4264, 5051)]