21303313

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^2$

素因数の和:153

約数の個数: 24

約数和(自身を含む): 24811200

約数和(自身を除く): 3507887

約数列:

[1, 19, 23, 29, 41, 437, 551, 667, 779, 943, 1189, 1681, 12673, 17917, 22591, 27347, 31939, 38663, 48749, 519593, 734597, 926231, 1121227, 21303313]

約数ペア:

[(1, 21303313), (19, 1121227), (23, 926231), (29, 734597), (41, 519593), (437, 48749), (551, 38663), (667, 31939), (779, 27347), (943, 22591), (1189, 17917), (1681, 12673)]