21634870

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1223}}^1$

素因数の和:1320

約数の個数: 32

約数和(自身を含む): 40979520

約数和(自身を除く): 19344650

約数列:

[1, 2, 5, 10, 29, 58, 61, 122, 145, 290, 305, 610, 1223, 1769, 2446, 3538, 6115, 8845, 12230, 17690, 35467, 70934, 74603, 149206, 177335, 354670, 373015, 746030, 2163487, 4326974, 10817435, 21634870]

約数ペア:

[(1, 21634870), (2, 10817435), (5, 4326974), (10, 2163487), (29, 746030), (58, 373015), (61, 354670), (122, 177335), (145, 149206), (290, 74603), (305, 70934), (610, 35467), (1223, 17690), (1769, 12230), (2446, 8845), (3538, 6115)]