21493039779

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{167}}^1\times {\mathrm{386489}}^1$

素因数の和:386699

約数の個数: 24

約数和(自身を含む): 32075578080

約数和(自身を除く): 10582538301

約数列:

[1, 3, 9, 37, 111, 167, 333, 501, 1503, 6179, 18537, 55611, 386489, 1159467, 3478401, 14300093, 42900279, 64543663, 128700837, 193630989, 580892967, 2388115531, 7164346593, 21493039779]

約数ペア:

[(1, 21493039779), (3, 7164346593), (9, 2388115531), (37, 580892967), (111, 193630989), (167, 128700837), (333, 64543663), (501, 42900279), (1503, 14300093), (6179, 3478401), (18537, 1159467), (55611, 386489)]