21530908

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{45233}}^1$

素因数の和:45261

約数の個数: 24

約数和(自身を含む): 45595872

約数和(自身を除く): 24064964

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 45233, 90466, 180932, 316631, 633262, 768961, 1266524, 1537922, 3075844, 5382727, 10765454, 21530908]

約数ペア:

[(1, 21530908), (2, 10765454), (4, 5382727), (7, 3075844), (14, 1537922), (17, 1266524), (28, 768961), (34, 633262), (68, 316631), (119, 180932), (238, 90466), (476, 45233)]