21175807743

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{4270177}}^1$

素因数の和:4270231

約数の個数: 24

約数和(自身を含む): 33307388400

約数和(自身を除く): 12131580657

約数列:

[1, 3, 9, 19, 29, 57, 87, 171, 261, 551, 1653, 4959, 4270177, 12810531, 38431593, 81133363, 123835133, 243400089, 371505399, 730200267, 1114516197, 2352867527, 7058602581, 21175807743]

約数ペア:

[(1, 21175807743), (3, 7058602581), (9, 2352867527), (19, 1114516197), (29, 730200267), (57, 371505399), (87, 243400089), (171, 123835133), (261, 81133363), (551, 38431593), (1653, 12810531), (4959, 4270177)]