21849410

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1429}}^1$

素因数の和:1586

約数の個数: 32

約数和(自身を含む): 43243200

約数和(自身を除く): 21393790

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 139, 278, 695, 1390, 1429, 1529, 2858, 3058, 7145, 7645, 14290, 15290, 15719, 31438, 78595, 157190, 198631, 397262, 993155, 1986310, 2184941, 4369882, 10924705, 21849410]

約数ペア:

[(1, 21849410), (2, 10924705), (5, 4369882), (10, 2184941), (11, 1986310), (22, 993155), (55, 397262), (110, 198631), (139, 157190), (278, 78595), (695, 31438), (1390, 15719), (1429, 15290), (1529, 14290), (2858, 7645), (3058, 7145)]