21124578

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{829}}^1$

素因数の和:1002

約数の個数: 32

約数和(自身を含む): 43983360

約数和(自身を除く): 22858782

約数列:

[1, 2, 3, 6, 31, 62, 93, 137, 186, 274, 411, 822, 829, 1658, 2487, 4247, 4974, 8494, 12741, 25482, 25699, 51398, 77097, 113573, 154194, 227146, 340719, 681438, 3520763, 7041526, 10562289, 21124578]

約数ペア:

[(1, 21124578), (2, 10562289), (3, 7041526), (6, 3520763), (31, 681438), (62, 340719), (93, 227146), (137, 154194), (186, 113573), (274, 77097), (411, 51398), (822, 25699), (829, 25482), (1658, 12741), (2487, 8494), (4247, 4974)]