21422472920

素因数分解:

$2^3\times 5^1\times {\mathrm{463}}^1\times {\mathrm{1156721}}^1$

素因数の和:1157195

約数の個数: 32

約数和(自身を含む): 48304710720

約数和(自身を除く): 26882237800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 463, 926, 1852, 2315, 3704, 4630, 9260, 18520, 1156721, 2313442, 4626884, 5783605, 9253768, 11567210, 23134420, 46268840, 535561823, 1071123646, 2142247292, 2677809115, 4284494584, 5355618230, 10711236460, 21422472920]

約数ペア:

[(1, 21422472920), (2, 10711236460), (4, 5355618230), (5, 4284494584), (8, 2677809115), (10, 2142247292), (20, 1071123646), (40, 535561823), (463, 46268840), (926, 23134420), (1852, 11567210), (2315, 9253768), (3704, 5783605), (4630, 4626884), (9260, 2313442), (18520, 1156721)]