21550140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{119723}}^1$

素因数の和:119738

約数の個数: 36

約数和(自身を含む): 65369304

約数和(自身を除く): 43819164

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 119723, 239446, 359169, 478892, 598615, 718338, 1077507, 1197230, 1436676, 1795845, 2155014, 2394460, 3591690, 4310028, 5387535, 7183380, 10775070, 21550140]

約数ペア:

[(1, 21550140), (2, 10775070), (3, 7183380), (4, 5387535), (5, 4310028), (6, 3591690), (9, 2394460), (10, 2155014), (12, 1795845), (15, 1436676), (18, 1197230), (20, 1077507), (30, 718338), (36, 598615), (45, 478892), (60, 359169), (90, 239446), (180, 119723)]