21609912

素因数分解:

$2^3\times 3^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:316

約数の個数: 64

約数和(自身を含む): 55814400

約数和(自身を除く): 34204488

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 67, 89, 134, 151, 178, 201, 267, 268, 302, 356, 402, 453, 534, 536, 604, 712, 804, 906, 1068, 1208, 1608, 1812, 2136, 3624, 5963, 10117, 11926, 13439, 17889, 20234, 23852, 26878, 30351, 35778, 40317, 40468, 47704, 53756, 60702, 71556, 80634, 80936, 107512, 121404, 143112, 161268, 242808, 322536, 900413, 1800826, 2701239, 3601652, 5402478, 7203304, 10804956, 21609912]

約数ペア:

[(1, 21609912), (2, 10804956), (3, 7203304), (4, 5402478), (6, 3601652), (8, 2701239), (12, 1800826), (24, 900413), (67, 322536), (89, 242808), (134, 161268), (151, 143112), (178, 121404), (201, 107512), (267, 80936), (268, 80634), (302, 71556), (356, 60702), (402, 53756), (453, 47704), (534, 40468), (536, 40317), (604, 35778), (712, 30351), (804, 26878), (906, 23852), (1068, 20234), (1208, 17889), (1608, 13439), (1812, 11926), (2136, 10117), (3624, 5963)]