21532872

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{277}}^1$

素因数の和:406

約数の個数: 64

約数和(自身を含む): 56044800

約数和(自身を除く): 34511928

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 79, 82, 123, 158, 164, 237, 246, 277, 316, 328, 474, 492, 554, 632, 831, 948, 984, 1108, 1662, 1896, 2216, 3239, 3324, 6478, 6648, 9717, 11357, 12956, 19434, 21883, 22714, 25912, 34071, 38868, 43766, 45428, 65649, 68142, 77736, 87532, 90856, 131298, 136284, 175064, 262596, 272568, 525192, 897203, 1794406, 2691609, 3588812, 5383218, 7177624, 10766436, 21532872]

約数ペア:

[(1, 21532872), (2, 10766436), (3, 7177624), (4, 5383218), (6, 3588812), (8, 2691609), (12, 1794406), (24, 897203), (41, 525192), (79, 272568), (82, 262596), (123, 175064), (158, 136284), (164, 131298), (237, 90856), (246, 87532), (277, 77736), (316, 68142), (328, 65649), (474, 45428), (492, 43766), (554, 38868), (632, 34071), (831, 25912), (948, 22714), (984, 21883), (1108, 19434), (1662, 12956), (1896, 11357), (2216, 9717), (3239, 6648), (3324, 6478)]