21847100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19861}}^1$

素因数の和:19886

約数の個数: 36

約数和(自身を含む): 51720648

約数和(自身を除く): 29873548

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 19861, 39722, 79444, 99305, 198610, 218471, 397220, 436942, 496525, 873884, 993050, 1092355, 1986100, 2184710, 4369420, 5461775, 10923550, 21847100]

約数ペア:

[(1, 21847100), (2, 10923550), (4, 5461775), (5, 4369420), (10, 2184710), (11, 1986100), (20, 1092355), (22, 993050), (25, 873884), (44, 496525), (50, 436942), (55, 397220), (100, 218471), (110, 198610), (220, 99305), (275, 79444), (550, 39722), (1100, 19861)]