21715600

素因数分解:

$2^4\times 5^2\times {\mathrm{233}}^2$

素因数の和:484

約数の個数: 45

約数和(自身を含む): 52396603

約数和(自身を除く): 30681003

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 233, 400, 466, 932, 1165, 1864, 2330, 3728, 4660, 5825, 9320, 11650, 18640, 23300, 46600, 54289, 93200, 108578, 217156, 271445, 434312, 542890, 868624, 1085780, 1357225, 2171560, 2714450, 4343120, 5428900, 10857800, 21715600]

約数ペア:

[(1, 21715600), (2, 10857800), (4, 5428900), (5, 4343120), (8, 2714450), (10, 2171560), (16, 1357225), (20, 1085780), (25, 868624), (40, 542890), (50, 434312), (80, 271445), (100, 217156), (200, 108578), (233, 93200), (400, 54289), (466, 46600), (932, 23300), (1165, 18640), (1864, 11650), (2330, 9320), (3728, 5825)]