21423844

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{6983}}^1$

素因数の和:7059

約数の個数: 24

約数和(自身を含む): 41065920

約数和(自身を除く): 19642076

約数列:

[1, 2, 4, 13, 26, 52, 59, 118, 236, 767, 1534, 3068, 6983, 13966, 27932, 90779, 181558, 363116, 411997, 823994, 1647988, 5355961, 10711922, 21423844]

約数ペア:

[(1, 21423844), (2, 10711922), (4, 5355961), (13, 1647988), (26, 823994), (52, 411997), (59, 363116), (118, 181558), (236, 90779), (767, 27932), (1534, 13966), (3068, 6983)]