21715408

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{9491}}^1$

素因数の和:9523

約数の個数: 40

約数和(自身を含む): 49434336

約数和(自身を除く): 27718928

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 572, 1144, 2288, 9491, 18982, 37964, 75928, 104401, 123383, 151856, 208802, 246766, 417604, 493532, 835208, 987064, 1357213, 1670416, 1974128, 2714426, 5428852, 10857704, 21715408]

約数ペア:

[(1, 21715408), (2, 10857704), (4, 5428852), (8, 2714426), (11, 1974128), (13, 1670416), (16, 1357213), (22, 987064), (26, 835208), (44, 493532), (52, 417604), (88, 246766), (104, 208802), (143, 151856), (176, 123383), (208, 104401), (286, 75928), (572, 37964), (1144, 18982), (2288, 9491)]