21053898

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{12577}}^1$

素因数の和:12619

約数の個数: 32

約数和(自身を含む): 48299520

約数和(自身を除く): 27245622

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 93, 186, 279, 558, 837, 1674, 12577, 25154, 37731, 75462, 113193, 226386, 339579, 389887, 679158, 779774, 1169661, 2339322, 3508983, 7017966, 10526949, 21053898]

約数ペア:

[(1, 21053898), (2, 10526949), (3, 7017966), (6, 3508983), (9, 2339322), (18, 1169661), (27, 779774), (31, 679158), (54, 389887), (62, 339579), (93, 226386), (186, 113193), (279, 75462), (558, 37731), (837, 25154), (1674, 12577)]