21741384

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1019}}^1$

素因数の和:1162

約数の個数: 64

約数和(自身を含む): 62668800

約数和(自身を除く): 40927416

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 127, 168, 254, 381, 508, 762, 889, 1016, 1019, 1524, 1778, 2038, 2667, 3048, 3057, 3556, 4076, 5334, 6114, 7112, 7133, 8152, 10668, 12228, 14266, 21336, 21399, 24456, 28532, 42798, 57064, 85596, 129413, 171192, 258826, 388239, 517652, 776478, 905891, 1035304, 1552956, 1811782, 2717673, 3105912, 3623564, 5435346, 7247128, 10870692, 21741384]

約数ペア:

[(1, 21741384), (2, 10870692), (3, 7247128), (4, 5435346), (6, 3623564), (7, 3105912), (8, 2717673), (12, 1811782), (14, 1552956), (21, 1035304), (24, 905891), (28, 776478), (42, 517652), (56, 388239), (84, 258826), (127, 171192), (168, 129413), (254, 85596), (381, 57064), (508, 42798), (762, 28532), (889, 24456), (1016, 21399), (1019, 21336), (1524, 14266), (1778, 12228), (2038, 10668), (2667, 8152), (3048, 7133), (3057, 7112), (3556, 6114), (4076, 5334)]