21368403

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{14747}}^1$

素因数の和:14783

約数の個数: 24

約数和(自身を含む): 36811008

約数和(自身を除く): 15442605

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 14747, 44241, 103229, 132723, 309687, 339181, 929061, 1017543, 2374267, 3052629, 7122801, 21368403]

約数ペア:

[(1, 21368403), (3, 7122801), (7, 3052629), (9, 2374267), (21, 1017543), (23, 929061), (63, 339181), (69, 309687), (161, 132723), (207, 103229), (483, 44241), (1449, 14747)]