21360404

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{6131}}^1$

素因数の和:6215

約数の個数: 24

約数和(自身を含む): 40863648

約数和(自身を除く): 19503244

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 268, 871, 1742, 3484, 6131, 12262, 24524, 79703, 159406, 318812, 410777, 821554, 1643108, 5340101, 10680202, 21360404]

約数ペア:

[(1, 21360404), (2, 10680202), (4, 5340101), (13, 1643108), (26, 821554), (52, 410777), (67, 318812), (134, 159406), (268, 79703), (871, 24524), (1742, 12262), (3484, 6131)]