21000343330

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2335967}}^1$

素因数の和:2336034

約数の個数: 32

約数和(自身を含む): 40365527040

約数和(自身を除く): 19365183710

約数列:

[1, 2, 5, 10, 29, 31, 58, 62, 145, 155, 290, 310, 899, 1798, 4495, 8990, 2335967, 4671934, 11679835, 23359670, 67743043, 72414977, 135486086, 144829954, 338715215, 362074885, 677430430, 724149770, 2100034333, 4200068666, 10500171665, 21000343330]

約数ペア:

[(1, 21000343330), (2, 10500171665), (5, 4200068666), (10, 2100034333), (29, 724149770), (31, 677430430), (58, 362074885), (62, 338715215), (145, 144829954), (155, 135486086), (290, 72414977), (310, 67743043), (899, 23359670), (1798, 11679835), (4495, 4671934), (8990, 2335967)]