21316590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{433}}^1\times {\mathrm{547}}^1$

素因数の和:993

約数の個数: 48

約数和(自身を含む): 55652688

約数和(自身を除く): 34336098

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 433, 547, 866, 1094, 1299, 1641, 2165, 2598, 2735, 3282, 3897, 4330, 4923, 5470, 6495, 7794, 8205, 9846, 12990, 16410, 19485, 24615, 38970, 49230, 236851, 473702, 710553, 1184255, 1421106, 2131659, 2368510, 3552765, 4263318, 7105530, 10658295, 21316590]

約数ペア:

[(1, 21316590), (2, 10658295), (3, 7105530), (5, 4263318), (6, 3552765), (9, 2368510), (10, 2131659), (15, 1421106), (18, 1184255), (30, 710553), (45, 473702), (90, 236851), (433, 49230), (547, 38970), (866, 24615), (1094, 19485), (1299, 16410), (1641, 12990), (2165, 9846), (2598, 8205), (2735, 7794), (3282, 6495), (3897, 5470), (4330, 4923)]