21140790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{64063}}^1$

素因数の和:64084

約数の個数: 32

約数和(自身を含む): 55351296

約数和(自身を除く): 34210506

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 64063, 128126, 192189, 320315, 384378, 640630, 704693, 960945, 1409386, 1921890, 2114079, 3523465, 4228158, 7046930, 10570395, 21140790]

約数ペア:

[(1, 21140790), (2, 10570395), (3, 7046930), (5, 4228158), (6, 3523465), (10, 2114079), (11, 1921890), (15, 1409386), (22, 960945), (30, 704693), (33, 640630), (55, 384378), (66, 320315), (110, 192189), (165, 128126), (330, 64063)]