21409410

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{64877}}^1$

素因数の和:64898

約数の個数: 32

約数和(自身を含む): 56054592

約数和(自身を除く): 34645182

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 64877, 129754, 194631, 324385, 389262, 648770, 713647, 973155, 1427294, 1946310, 2140941, 3568235, 4281882, 7136470, 10704705, 21409410]

約数ペア:

[(1, 21409410), (2, 10704705), (3, 7136470), (5, 4281882), (6, 3568235), (10, 2140941), (11, 1946310), (15, 1427294), (22, 973155), (30, 713647), (33, 648770), (55, 389262), (66, 324385), (110, 194631), (165, 129754), (330, 64877)]