21450736

素因数分解:

$2^4\times {\mathrm{17}}^2\times {\mathrm{4639}}^1$

素因数の和:4681

約数の個数: 30

約数和(自身を含む): 44158880

約数和(自身を除く): 22708144

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 289, 578, 1156, 2312, 4624, 4639, 9278, 18556, 37112, 74224, 78863, 157726, 315452, 630904, 1261808, 1340671, 2681342, 5362684, 10725368, 21450736]

約数ペア:

[(1, 21450736), (2, 10725368), (4, 5362684), (8, 2681342), (16, 1340671), (17, 1261808), (34, 630904), (68, 315452), (136, 157726), (272, 78863), (289, 74224), (578, 37112), (1156, 18556), (2312, 9278), (4624, 4639)]