21371152

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{3917}}^1$

素因数の和:3967

約数の個数: 40

約数和(自身を含む): 46639872

約数和(自身を除く): 25268720

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 124, 176, 248, 341, 496, 682, 1364, 2728, 3917, 5456, 7834, 15668, 31336, 43087, 62672, 86174, 121427, 172348, 242854, 344696, 485708, 689392, 971416, 1335697, 1942832, 2671394, 5342788, 10685576, 21371152]

約数ペア:

[(1, 21371152), (2, 10685576), (4, 5342788), (8, 2671394), (11, 1942832), (16, 1335697), (22, 971416), (31, 689392), (44, 485708), (62, 344696), (88, 242854), (124, 172348), (176, 121427), (248, 86174), (341, 62672), (496, 43087), (682, 31336), (1364, 15668), (2728, 7834), (3917, 5456)]