21623854

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{557}}^1$

素因数の和:672

約数の個数: 32

約数和(自身を含む): 38568960

約数和(自身を除く): 16945106

約数列:

[1, 2, 7, 14, 47, 59, 94, 118, 329, 413, 557, 658, 826, 1114, 2773, 3899, 5546, 7798, 19411, 26179, 32863, 38822, 52358, 65726, 183253, 230041, 366506, 460082, 1544561, 3089122, 10811927, 21623854]

約数ペア:

[(1, 21623854), (2, 10811927), (7, 3089122), (14, 1544561), (47, 460082), (59, 366506), (94, 230041), (118, 183253), (329, 65726), (413, 52358), (557, 38822), (658, 32863), (826, 26179), (1114, 19411), (2773, 7798), (3899, 5546)]