21741016

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{13003}}^1$

素因数の和:13039

約数の個数: 32

約数和(自身を含む): 46814400

約数和(自身を除く): 25073384

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 13003, 26006, 52012, 104024, 143033, 247057, 286066, 494114, 572132, 988228, 1144264, 1976456, 2717627, 5435254, 10870508, 21741016]

約数ペア:

[(1, 21741016), (2, 10870508), (4, 5435254), (8, 2717627), (11, 1976456), (19, 1144264), (22, 988228), (38, 572132), (44, 494114), (76, 286066), (88, 247057), (152, 143033), (209, 104024), (418, 52012), (836, 26006), (1672, 13003)]