21150816

素因数分解:

$2^5\times 3^1\times {\mathrm{53}}^1\times {\mathrm{4157}}^1$

素因数の和:4223

約数の個数: 48

約数和(自身を含む): 56582064

約数和(自身を除く): 35431248

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 53, 96, 106, 159, 212, 318, 424, 636, 848, 1272, 1696, 2544, 4157, 5088, 8314, 12471, 16628, 24942, 33256, 49884, 66512, 99768, 133024, 199536, 220321, 399072, 440642, 660963, 881284, 1321926, 1762568, 2643852, 3525136, 5287704, 7050272, 10575408, 21150816]

約数ペア:

[(1, 21150816), (2, 10575408), (3, 7050272), (4, 5287704), (6, 3525136), (8, 2643852), (12, 1762568), (16, 1321926), (24, 881284), (32, 660963), (48, 440642), (53, 399072), (96, 220321), (106, 199536), (159, 133024), (212, 99768), (318, 66512), (424, 49884), (636, 33256), (848, 24942), (1272, 16628), (1696, 12471), (2544, 8314), (4157, 5088)]