21573636

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{3251}}^1$

素因数の和:3344

約数の個数: 48

約数和(自身を含む): 58275840

約数和(自身を除く): 36702204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 79, 84, 158, 237, 316, 474, 553, 948, 1106, 1659, 2212, 3251, 3318, 6502, 6636, 9753, 13004, 19506, 22757, 39012, 45514, 68271, 91028, 136542, 256829, 273084, 513658, 770487, 1027316, 1540974, 1797803, 3081948, 3595606, 5393409, 7191212, 10786818, 21573636]

約数ペア:

[(1, 21573636), (2, 10786818), (3, 7191212), (4, 5393409), (6, 3595606), (7, 3081948), (12, 1797803), (14, 1540974), (21, 1027316), (28, 770487), (42, 513658), (79, 273084), (84, 256829), (158, 136542), (237, 91028), (316, 68271), (474, 45514), (553, 39012), (948, 22757), (1106, 19506), (1659, 13004), (2212, 9753), (3251, 6636), (3318, 6502)]