21484203

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{4021}}^1$

素因数の和:4174

約数の個数: 16

約数和(自身を含む): 31082016

約数和(自身を除く): 9597813

約数列:

[1, 3, 13, 39, 137, 411, 1781, 4021, 5343, 12063, 52273, 156819, 550877, 1652631, 7161401, 21484203]

約数ペア:

[(1, 21484203), (3, 7161401), (13, 1652631), (39, 550877), (137, 156819), (411, 52273), (1781, 12063), (4021, 5343)]