21611370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1523}}^1$

素因数の和:1587

約数の個数: 64

約数和(自身を含む): 57936384

約数和(自身を除く): 36325014

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 43, 55, 66, 86, 110, 129, 165, 215, 258, 330, 430, 473, 645, 946, 1290, 1419, 1523, 2365, 2838, 3046, 4569, 4730, 7095, 7615, 9138, 14190, 15230, 16753, 22845, 33506, 45690, 50259, 65489, 83765, 100518, 130978, 167530, 196467, 251295, 327445, 392934, 502590, 654890, 720379, 982335, 1440758, 1964670, 2161137, 3601895, 4322274, 7203790, 10805685, 21611370]

約数ペア:

[(1, 21611370), (2, 10805685), (3, 7203790), (5, 4322274), (6, 3601895), (10, 2161137), (11, 1964670), (15, 1440758), (22, 982335), (30, 720379), (33, 654890), (43, 502590), (55, 392934), (66, 327445), (86, 251295), (110, 196467), (129, 167530), (165, 130978), (215, 100518), (258, 83765), (330, 65489), (430, 50259), (473, 45690), (645, 33506), (946, 22845), (1290, 16753), (1419, 15230), (1523, 14190), (2365, 9138), (2838, 7615), (3046, 7095), (4569, 4730)]