21630064

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{43609}}^1$

素因数の和:43648

約数の個数: 20

約数和(自身を含む): 43261120

約数和(自身を除く): 21631056

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 43609, 87218, 174436, 348872, 697744, 1351879, 2703758, 5407516, 10815032, 21630064]

約数ペア:

[(1, 21630064), (2, 10815032), (4, 5407516), (8, 2703758), (16, 1351879), (31, 697744), (62, 348872), (124, 174436), (248, 87218), (496, 43609)]