21709270

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{1307}}^1$

素因数の和:1476

約数の個数: 32

約数和(自身を含む): 42944256

約数和(自身を除く): 21234986

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 151, 302, 755, 1307, 1510, 1661, 2614, 3322, 6535, 8305, 13070, 14377, 16610, 28754, 71885, 143770, 197357, 394714, 986785, 1973570, 2170927, 4341854, 10854635, 21709270]

約数ペア:

[(1, 21709270), (2, 10854635), (5, 4341854), (10, 2170927), (11, 1973570), (22, 986785), (55, 394714), (110, 197357), (151, 143770), (302, 71885), (755, 28754), (1307, 16610), (1510, 14377), (1661, 13070), (2614, 8305), (3322, 6535)]