21883928

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{1669}}^1$

素因数の和:1835

約数の個数: 32

約数和(自身を含む): 45090000

約数和(自身を除く): 23206072

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 149, 298, 596, 1192, 1639, 1669, 3278, 3338, 6556, 6676, 13112, 13352, 18359, 36718, 73436, 146872, 248681, 497362, 994724, 1989448, 2735491, 5470982, 10941964, 21883928]

約数ペア:

[(1, 21883928), (2, 10941964), (4, 5470982), (8, 2735491), (11, 1989448), (22, 994724), (44, 497362), (88, 248681), (149, 146872), (298, 73436), (596, 36718), (1192, 18359), (1639, 13352), (1669, 13112), (3278, 6676), (3338, 6556)]