21403908

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{16069}}^1$

素因数の和:16116

約数の個数: 36

約数和(自身を含む): 55570060

約数和(自身を除く): 34166152

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 222, 333, 444, 666, 1332, 16069, 32138, 48207, 64276, 96414, 144621, 192828, 289242, 578484, 594553, 1189106, 1783659, 2378212, 3567318, 5350977, 7134636, 10701954, 21403908]

約数ペア:

[(1, 21403908), (2, 10701954), (3, 7134636), (4, 5350977), (6, 3567318), (9, 2378212), (12, 1783659), (18, 1189106), (36, 594553), (37, 578484), (74, 289242), (111, 192828), (148, 144621), (222, 96414), (333, 64276), (444, 48207), (666, 32138), (1332, 16069)]