21692820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5927}}^1$

素因数の和:6000

約数の個数: 48

約数和(自身を含む): 61746048

約数和(自身を除く): 40053228

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 5927, 11854, 17781, 23708, 29635, 35562, 59270, 71124, 88905, 118540, 177810, 355620, 361547, 723094, 1084641, 1446188, 1807735, 2169282, 3615470, 4338564, 5423205, 7230940, 10846410, 21692820]

約数ペア:

[(1, 21692820), (2, 10846410), (3, 7230940), (4, 5423205), (5, 4338564), (6, 3615470), (10, 2169282), (12, 1807735), (15, 1446188), (20, 1084641), (30, 723094), (60, 361547), (61, 355620), (122, 177810), (183, 118540), (244, 88905), (305, 71124), (366, 59270), (610, 35562), (732, 29635), (915, 23708), (1220, 17781), (1830, 11854), (3660, 5927)]