21642504

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{977}}^1$

素因数の和:1070

約数の個数: 64

約数和(自身を含む): 59149440

約数和(自身を除く): 37506936

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 71, 78, 104, 142, 156, 213, 284, 312, 426, 568, 852, 923, 977, 1704, 1846, 1954, 2769, 2931, 3692, 3908, 5538, 5862, 7384, 7816, 11076, 11724, 12701, 22152, 23448, 25402, 38103, 50804, 69367, 76206, 101608, 138734, 152412, 208101, 277468, 304824, 416202, 554936, 832404, 901771, 1664808, 1803542, 2705313, 3607084, 5410626, 7214168, 10821252, 21642504]

約数ペア:

[(1, 21642504), (2, 10821252), (3, 7214168), (4, 5410626), (6, 3607084), (8, 2705313), (12, 1803542), (13, 1664808), (24, 901771), (26, 832404), (39, 554936), (52, 416202), (71, 304824), (78, 277468), (104, 208101), (142, 152412), (156, 138734), (213, 101608), (284, 76206), (312, 69367), (426, 50804), (568, 38103), (852, 25402), (923, 23448), (977, 22152), (1704, 12701), (1846, 11724), (1954, 11076), (2769, 7816), (2931, 7384), (3692, 5862), (3908, 5538)]