2021145651

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{478831}}^1$

素因数の和:478911

約数の個数: 24

約数和(自身を含む): 3386299904

約数和(自身を除く): 1365154253

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 469, 603, 1407, 4221, 478831, 1436493, 3351817, 4309479, 10055451, 30166353, 32081677, 96245031, 224571739, 288735093, 673715217, 2021145651]

約数ペア:

[(1, 2021145651), (3, 673715217), (7, 288735093), (9, 224571739), (21, 96245031), (63, 32081677), (67, 30166353), (201, 10055451), (469, 4309479), (603, 3351817), (1407, 1436493), (4221, 478831)]