21804276

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:205

約数の個数: 96

約数和(自身を含む): 58705920

約数和(自身を除く): 36901644

約数列:

[1, 2, 3, 4, 6, 12, 13, 23, 26, 39, 46, 52, 59, 69, 78, 92, 103, 118, 138, 156, 177, 206, 236, 276, 299, 309, 354, 412, 598, 618, 708, 767, 897, 1196, 1236, 1339, 1357, 1534, 1794, 2301, 2369, 2678, 2714, 3068, 3588, 4017, 4071, 4602, 4738, 5356, 5428, 6077, 7107, 8034, 8142, 9204, 9476, 12154, 14214, 16068, 16284, 17641, 18231, 24308, 28428, 30797, 35282, 36462, 52923, 61594, 70564, 72924, 79001, 92391, 105846, 123188, 139771, 158002, 184782, 211692, 237003, 279542, 316004, 369564, 419313, 474006, 559084, 838626, 948012, 1677252, 1817023, 3634046, 5451069, 7268092, 10902138, 21804276]

約数ペア:

[(1, 21804276), (2, 10902138), (3, 7268092), (4, 5451069), (6, 3634046), (12, 1817023), (13, 1677252), (23, 948012), (26, 838626), (39, 559084), (46, 474006), (52, 419313), (59, 369564), (69, 316004), (78, 279542), (92, 237003), (103, 211692), (118, 184782), (138, 158002), (156, 139771), (177, 123188), (206, 105846), (236, 92391), (276, 79001), (299, 72924), (309, 70564), (354, 61594), (412, 52923), (598, 36462), (618, 35282), (708, 30797), (767, 28428), (897, 24308), (1196, 18231), (1236, 17641), (1339, 16284), (1357, 16068), (1534, 14214), (1794, 12154), (2301, 9476), (2369, 9204), (2678, 8142), (2714, 8034), (3068, 7107), (3588, 6077), (4017, 5428), (4071, 5356), (4602, 4738)]