21000686705

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{167}}^1\times {\mathrm{9677}}^1$

素因数の和:9985

約数の個数: 32

約数和(自身を含む): 26690840064

約数和(自身を除く): 5690153359

約数列:

[1, 5, 23, 113, 115, 167, 565, 835, 2599, 3841, 9677, 12995, 18871, 19205, 48385, 94355, 222571, 434033, 1093501, 1112855, 1616059, 2170165, 5467505, 8080295, 25150523, 37169357, 125752615, 182614667, 185846785, 913073335, 4200137341, 21000686705]

約数ペア:

[(1, 21000686705), (5, 4200137341), (23, 913073335), (113, 185846785), (115, 182614667), (167, 125752615), (565, 37169357), (835, 25150523), (2599, 8080295), (3841, 5467505), (9677, 2170165), (12995, 1616059), (18871, 1112855), (19205, 1093501), (48385, 434033), (94355, 222571)]