21471536

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{461}}^1$

素因数の和:581

約数の個数: 40

約数和(自身を含む): 43309728

約数和(自身を除く): 21838192

約数列:

[1, 2, 4, 8, 16, 41, 71, 82, 142, 164, 284, 328, 461, 568, 656, 922, 1136, 1844, 2911, 3688, 5822, 7376, 11644, 18901, 23288, 32731, 37802, 46576, 65462, 75604, 130924, 151208, 261848, 302416, 523696, 1341971, 2683942, 5367884, 10735768, 21471536]

約数ペア:

[(1, 21471536), (2, 10735768), (4, 5367884), (8, 2683942), (16, 1341971), (41, 523696), (71, 302416), (82, 261848), (142, 151208), (164, 130924), (284, 75604), (328, 65462), (461, 46576), (568, 37802), (656, 32731), (922, 23288), (1136, 18901), (1844, 11644), (2911, 7376), (3688, 5822)]