21931012

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{1187}}^1$

素因数の和:1371

約数の個数: 24

約数和(自身を含む): 39916800

約数和(自身を除く): 17985788

約数列:

[1, 2, 4, 31, 62, 124, 149, 298, 596, 1187, 2374, 4619, 4748, 9238, 18476, 36797, 73594, 147188, 176863, 353726, 707452, 5482753, 10965506, 21931012]

約数ペア:

[(1, 21931012), (2, 10965506), (4, 5482753), (31, 707452), (62, 353726), (124, 176863), (149, 147188), (298, 73594), (596, 36797), (1187, 18476), (2374, 9238), (4619, 4748)]