21000618153

素因数分解:

$3^2\times {\mathrm{1367}}^1\times {\mathrm{1706951}}^1$

素因数の和:1708324

約数の個数: 12

約数和(自身を含む): 30356434368

約数和(自身を除く): 9355816215

約数列:

[1, 3, 9, 1367, 4101, 12303, 1706951, 5120853, 15362559, 2333402017, 7000206051, 21000618153]

約数ペア:

[(1, 21000618153), (3, 7000206051), (9, 2333402017), (1367, 15362559), (4101, 5120853), (12303, 1706951)]