21480858

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{170483}}^1$

素因数の和:170498

約数の個数: 24

約数和(自身を含む): 53191008

約数和(自身を除く): 31710150

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 170483, 340966, 511449, 1022898, 1193381, 1534347, 2386762, 3068694, 3580143, 7160286, 10740429, 21480858]

約数ペア:

[(1, 21480858), (2, 10740429), (3, 7160286), (6, 3580143), (7, 3068694), (9, 2386762), (14, 1534347), (18, 1193381), (21, 1022898), (42, 511449), (63, 340966), (126, 170483)]