21281501

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1607}}^1$

素因数の和:1684

約数の個数: 16

約数和(自身を含む): 24312960

約数和(自身を除く): 3031459

約数列:

[1, 17, 19, 41, 323, 697, 779, 1607, 13243, 27319, 30533, 65887, 519061, 1120079, 1251853, 21281501]

約数ペア:

[(1, 21281501), (17, 1251853), (19, 1120079), (41, 519061), (323, 65887), (697, 30533), (779, 27319), (1607, 13243)]