21091470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{22679}}^1$

素因数の和:22720

約数の個数: 32

約数和(自身を含む): 52254720

約数和(自身を除く): 31163250

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 22679, 45358, 68037, 113395, 136074, 226790, 340185, 680370, 703049, 1406098, 2109147, 3515245, 4218294, 7030490, 10545735, 21091470]

約数ペア:

[(1, 21091470), (2, 10545735), (3, 7030490), (5, 4218294), (6, 3515245), (10, 2109147), (15, 1406098), (30, 703049), (31, 680370), (62, 340185), (93, 226790), (155, 136074), (186, 113395), (310, 68037), (465, 45358), (930, 22679)]