21714651

素因数分解:

$3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{4363}}^1$

素因数の和:4455

約数の個数: 24

約数和(自身を含む): 36308480

約数和(自身を除く): 14593829

約数列:

[1, 3, 7, 9, 21, 63, 79, 237, 553, 711, 1659, 4363, 4977, 13089, 30541, 39267, 91623, 274869, 344677, 1034031, 2412739, 3102093, 7238217, 21714651]

約数ペア:

[(1, 21714651), (3, 7238217), (7, 3102093), (9, 2412739), (21, 1034031), (63, 344677), (79, 274869), (237, 91623), (553, 39267), (711, 30541), (1659, 13089), (4363, 4977)]