21489270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{65119}}^1$

素因数の和:65140

約数の個数: 32

約数和(自身を含む): 56263680

約数和(自身を除く): 34774410

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 65119, 130238, 195357, 325595, 390714, 651190, 716309, 976785, 1432618, 1953570, 2148927, 3581545, 4297854, 7163090, 10744635, 21489270]

約数ペア:

[(1, 21489270), (2, 10744635), (3, 7163090), (5, 4297854), (6, 3581545), (10, 2148927), (11, 1953570), (15, 1432618), (22, 976785), (30, 716309), (33, 651190), (55, 390714), (66, 325595), (110, 195357), (165, 130238), (330, 65119)]