21033368

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{439}}^1$

素因数の和:611

約数の個数: 32

約数和(自身を含む): 40629600

約数和(自身を除く): 19596232

約数列:

[1, 2, 4, 8, 53, 106, 113, 212, 226, 424, 439, 452, 878, 904, 1756, 3512, 5989, 11978, 23267, 23956, 46534, 47912, 49607, 93068, 99214, 186136, 198428, 396856, 2629171, 5258342, 10516684, 21033368]

約数ペア:

[(1, 21033368), (2, 10516684), (4, 5258342), (8, 2629171), (53, 396856), (106, 198428), (113, 186136), (212, 99214), (226, 93068), (424, 49607), (439, 47912), (452, 46534), (878, 23956), (904, 23267), (1756, 11978), (3512, 5989)]