20821122

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{165247}}^1$

素因数の和:165262

約数の個数: 24

約数和(自身を含む): 51557376

約数和(自身を除く): 30736254

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 165247, 330494, 495741, 991482, 1156729, 1487223, 2313458, 2974446, 3470187, 6940374, 10410561, 20821122]

約数ペア:

[(1, 20821122), (2, 10410561), (3, 6940374), (6, 3470187), (7, 2974446), (9, 2313458), (14, 1487223), (18, 1156729), (21, 991482), (42, 495741), (63, 330494), (126, 165247)]