21816961

素因数分解:

${\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{311}}^1$

素因数の和:440

約数の個数: 16

約数和(自身を含む): 23587200

約数和(自身を除く): 1770239

約数列:

[1, 29, 41, 59, 311, 1189, 1711, 2419, 9019, 12751, 18349, 70151, 369779, 532121, 752309, 21816961]

約数ペア:

[(1, 21816961), (29, 752309), (41, 532121), (59, 369779), (311, 70151), (1189, 18349), (1711, 12751), (2419, 9019)]