21969358

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{239}}^1$

素因数の和:360

約数の個数: 32

約数和(自身を含む): 36288000

約数和(自身を除く): 14318642

約数列:

[1, 2, 19, 38, 41, 59, 82, 118, 239, 478, 779, 1121, 1558, 2242, 2419, 4541, 4838, 9082, 9799, 14101, 19598, 28202, 45961, 91922, 186181, 267919, 372362, 535838, 578141, 1156282, 10984679, 21969358]

約数ペア:

[(1, 21969358), (2, 10984679), (19, 1156282), (38, 578141), (41, 535838), (59, 372362), (82, 267919), (118, 186181), (239, 91922), (478, 45961), (779, 28202), (1121, 19598), (1558, 14101), (2242, 9799), (2419, 9082), (4541, 4838)]