21846860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{5381}}^1$

素因数の和:5426

約数の個数: 48

約数和(自身を含む): 54250560

約数和(自身を除く): 32403700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 5381, 10762, 21524, 26905, 37667, 53810, 75334, 107620, 150668, 156049, 188335, 312098, 376670, 624196, 753340, 780245, 1092343, 1560490, 2184686, 3120980, 4369372, 5461715, 10923430, 21846860]

約数ペア:

[(1, 21846860), (2, 10923430), (4, 5461715), (5, 4369372), (7, 3120980), (10, 2184686), (14, 1560490), (20, 1092343), (28, 780245), (29, 753340), (35, 624196), (58, 376670), (70, 312098), (116, 188335), (140, 156049), (145, 150668), (203, 107620), (290, 75334), (406, 53810), (580, 37667), (812, 26905), (1015, 21524), (2030, 10762), (4060, 5381)]