21159414

素因数分解:

$2^1\times 3^3\times {\mathrm{139}}^1\times {\mathrm{2819}}^1$

素因数の和:2969

約数の個数: 32

約数和(自身を含む): 47376000

約数和(自身を除く): 26216586

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 139, 278, 417, 834, 1251, 2502, 2819, 3753, 5638, 7506, 8457, 16914, 25371, 50742, 76113, 152226, 391841, 783682, 1175523, 2351046, 3526569, 7053138, 10579707, 21159414]

約数ペア:

[(1, 21159414), (2, 10579707), (3, 7053138), (6, 3526569), (9, 2351046), (18, 1175523), (27, 783682), (54, 391841), (139, 152226), (278, 76113), (417, 50742), (834, 25371), (1251, 16914), (2502, 8457), (2819, 7506), (3753, 5638)]