21660948

素因数分解:

$2^2\times 3^2\times {\mathrm{383}}^1\times {\mathrm{1571}}^1$

素因数の和:1964

約数の個数: 36

約数和(自身を含む): 54931968

約数和(自身を除く): 33271020

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 383, 766, 1149, 1532, 1571, 2298, 3142, 3447, 4596, 4713, 6284, 6894, 9426, 13788, 14139, 18852, 28278, 56556, 601693, 1203386, 1805079, 2406772, 3610158, 5415237, 7220316, 10830474, 21660948]

約数ペア:

[(1, 21660948), (2, 10830474), (3, 7220316), (4, 5415237), (6, 3610158), (9, 2406772), (12, 1805079), (18, 1203386), (36, 601693), (383, 56556), (766, 28278), (1149, 18852), (1532, 14139), (1571, 13788), (2298, 9426), (3142, 6894), (3447, 6284), (4596, 4713)]