21446760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{571}}^1$

素因数の和:898

約数の個数: 64

約数和(自身を含む): 64658880

約数和(自身を除く): 43212120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 313, 571, 626, 939, 1142, 1252, 1565, 1713, 1878, 2284, 2504, 2855, 3130, 3426, 3756, 4568, 4695, 5710, 6260, 6852, 7512, 8565, 9390, 11420, 12520, 13704, 17130, 18780, 22840, 34260, 37560, 68520, 178723, 357446, 536169, 714892, 893615, 1072338, 1429784, 1787230, 2144676, 2680845, 3574460, 4289352, 5361690, 7148920, 10723380, 21446760]

約数ペア:

[(1, 21446760), (2, 10723380), (3, 7148920), (4, 5361690), (5, 4289352), (6, 3574460), (8, 2680845), (10, 2144676), (12, 1787230), (15, 1429784), (20, 1072338), (24, 893615), (30, 714892), (40, 536169), (60, 357446), (120, 178723), (313, 68520), (571, 37560), (626, 34260), (939, 22840), (1142, 18780), (1252, 17130), (1565, 13704), (1713, 12520), (1878, 11420), (2284, 9390), (2504, 8565), (2855, 7512), (3130, 6852), (3426, 6260), (3756, 5710), (4568, 4695)]