21366387

素因数分解:

$3^2\times 7^1\times {\mathrm{229}}^1\times {\mathrm{1481}}^1$

素因数の和:1723

約数の個数: 24

約数和(自身を含む): 35449440

約数和(自身を除く): 14083053

約数列:

[1, 3, 7, 9, 21, 63, 229, 687, 1481, 1603, 2061, 4443, 4809, 10367, 13329, 14427, 31101, 93303, 339149, 1017447, 2374043, 3052341, 7122129, 21366387]

約数ペア:

[(1, 21366387), (3, 7122129), (7, 3052341), (9, 2374043), (21, 1017447), (63, 339149), (229, 93303), (687, 31101), (1481, 14427), (1603, 13329), (2061, 10367), (4443, 4809)]