21132522

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{479}}^1$

素因数の和:552

約数の個数: 64

約数和(自身を含む): 50688000

約数和(自身を除く): 29555478

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 43, 54, 57, 86, 114, 129, 171, 258, 342, 387, 479, 513, 774, 817, 958, 1026, 1161, 1437, 1634, 2322, 2451, 2874, 4311, 4902, 7353, 8622, 9101, 12933, 14706, 18202, 20597, 22059, 25866, 27303, 41194, 44118, 54606, 61791, 81909, 123582, 163818, 185373, 245727, 370746, 391343, 491454, 556119, 782686, 1112238, 1174029, 2348058, 3522087, 7044174, 10566261, 21132522]

約数ペア:

[(1, 21132522), (2, 10566261), (3, 7044174), (6, 3522087), (9, 2348058), (18, 1174029), (19, 1112238), (27, 782686), (38, 556119), (43, 491454), (54, 391343), (57, 370746), (86, 245727), (114, 185373), (129, 163818), (171, 123582), (258, 81909), (342, 61791), (387, 54606), (479, 44118), (513, 41194), (774, 27303), (817, 25866), (958, 22059), (1026, 20597), (1161, 18202), (1437, 14706), (1634, 12933), (2322, 9101), (2451, 8622), (2874, 7353), (4311, 4902)]