21246470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9791}}^1$

素因数の和:9836

約数の個数: 32

約数和(自身を含む): 45121536

約数和(自身を除く): 23875066

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 9791, 19582, 48955, 68537, 97910, 137074, 303521, 342685, 607042, 685370, 1517605, 2124647, 3035210, 4249294, 10623235, 21246470]

約数ペア:

[(1, 21246470), (2, 10623235), (5, 4249294), (7, 3035210), (10, 2124647), (14, 1517605), (31, 685370), (35, 607042), (62, 342685), (70, 303521), (155, 137074), (217, 97910), (310, 68537), (434, 48955), (1085, 19582), (2170, 9791)]