21730518

素因数分解:

$2^1\times 3^5\times {\mathrm{61}}^1\times {\mathrm{733}}^1$

素因数の和:811

約数の個数: 48

約数和(自身を含む): 49694736

約数和(自身を除く): 27964218

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 61, 81, 122, 162, 183, 243, 366, 486, 549, 733, 1098, 1466, 1647, 2199, 3294, 4398, 4941, 6597, 9882, 13194, 14823, 19791, 29646, 39582, 44713, 59373, 89426, 118746, 134139, 178119, 268278, 356238, 402417, 804834, 1207251, 2414502, 3621753, 7243506, 10865259, 21730518]

約数ペア:

[(1, 21730518), (2, 10865259), (3, 7243506), (6, 3621753), (9, 2414502), (18, 1207251), (27, 804834), (54, 402417), (61, 356238), (81, 268278), (122, 178119), (162, 134139), (183, 118746), (243, 89426), (366, 59373), (486, 44713), (549, 39582), (733, 29646), (1098, 19791), (1466, 14823), (1647, 13194), (2199, 9882), (3294, 6597), (4398, 4941)]