21962451

素因数分解:

$3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{7019}}^1$

素因数の和:7178

約数の個数: 16

約数和(自身を含む): 33696000

約数和(自身を除く): 11733549

約数列:

[1, 3, 7, 21, 149, 447, 1043, 3129, 7019, 21057, 49133, 147399, 1045831, 3137493, 7320817, 21962451]

約数ペア:

[(1, 21962451), (3, 7320817), (7, 3137493), (21, 1045831), (149, 147399), (447, 49133), (1043, 21057), (3129, 7019)]