21896348540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1363409}}^1$

素因数の和:1363502

約数の個数: 48

約数和(自身を含む): 50849739360

約数和(自身を除く): 28953390820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 146, 220, 292, 365, 730, 803, 1460, 1606, 3212, 4015, 8030, 16060, 1363409, 2726818, 5453636, 6817045, 13634090, 14997499, 27268180, 29994998, 59989996, 74987495, 99528857, 149974990, 199057714, 299949980, 398115428, 497644285, 995288570, 1094817427, 1990577140, 2189634854, 4379269708, 5474087135, 10948174270, 21896348540]

約数ペア:

[(1, 21896348540), (2, 10948174270), (4, 5474087135), (5, 4379269708), (10, 2189634854), (11, 1990577140), (20, 1094817427), (22, 995288570), (44, 497644285), (55, 398115428), (73, 299949980), (110, 199057714), (146, 149974990), (220, 99528857), (292, 74987495), (365, 59989996), (730, 29994998), (803, 27268180), (1460, 14997499), (1606, 13634090), (3212, 6817045), (4015, 5453636), (8030, 2726818), (16060, 1363409)]