21915996

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{887}}^1$

素因数の和:994

約数の個数: 48

約数和(自身を含む): 53706240

約数和(自身を除く): 31790244

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 71, 87, 116, 142, 174, 213, 284, 348, 426, 852, 887, 1774, 2059, 2661, 3548, 4118, 5322, 6177, 8236, 10644, 12354, 24708, 25723, 51446, 62977, 77169, 102892, 125954, 154338, 188931, 251908, 308676, 377862, 755724, 1826333, 3652666, 5478999, 7305332, 10957998, 21915996]

約数ペア:

[(1, 21915996), (2, 10957998), (3, 7305332), (4, 5478999), (6, 3652666), (12, 1826333), (29, 755724), (58, 377862), (71, 308676), (87, 251908), (116, 188931), (142, 154338), (174, 125954), (213, 102892), (284, 77169), (348, 62977), (426, 51446), (852, 25723), (887, 24708), (1774, 12354), (2059, 10644), (2661, 8236), (3548, 6177), (4118, 5322)]