21990966

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{863}}^1$

素因数の和:1036

約数の個数: 32

約数和(自身を含む): 45785088

約数和(自身を除く): 23794122

約数列:

[1, 2, 3, 6, 31, 62, 93, 137, 186, 274, 411, 822, 863, 1726, 2589, 4247, 5178, 8494, 12741, 25482, 26753, 53506, 80259, 118231, 160518, 236462, 354693, 709386, 3665161, 7330322, 10995483, 21990966]

約数ペア:

[(1, 21990966), (2, 10995483), (3, 7330322), (6, 3665161), (31, 709386), (62, 354693), (93, 236462), (137, 160518), (186, 118231), (274, 80259), (411, 53506), (822, 26753), (863, 25482), (1726, 12741), (2589, 8494), (4247, 5178)]