21172360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{48119}}^1$

素因数の和:48141

約数の個数: 32

約数和(自身を含む): 51969600

約数和(自身を除く): 30797240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 48119, 96238, 192476, 240595, 384952, 481190, 529309, 962380, 1058618, 1924760, 2117236, 2646545, 4234472, 5293090, 10586180, 21172360]

約数ペア:

[(1, 21172360), (2, 10586180), (4, 5293090), (5, 4234472), (8, 2646545), (10, 2117236), (11, 1924760), (20, 1058618), (22, 962380), (40, 529309), (44, 481190), (55, 384952), (88, 240595), (110, 192476), (220, 96238), (440, 48119)]