21512322

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{617}}^1$

素因数の和:787

約数の個数: 48

約数和(自身を含む): 50614200

約数和(自身を除く): 29101878

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 149, 234, 298, 447, 617, 894, 1234, 1341, 1851, 1937, 2682, 3702, 3874, 5553, 5811, 8021, 11106, 11622, 16042, 17433, 24063, 34866, 48126, 72189, 91933, 144378, 183866, 275799, 551598, 827397, 1195129, 1654794, 2390258, 3585387, 7170774, 10756161, 21512322]

約数ペア:

[(1, 21512322), (2, 10756161), (3, 7170774), (6, 3585387), (9, 2390258), (13, 1654794), (18, 1195129), (26, 827397), (39, 551598), (78, 275799), (117, 183866), (149, 144378), (234, 91933), (298, 72189), (447, 48126), (617, 34866), (894, 24063), (1234, 17433), (1341, 16042), (1851, 11622), (1937, 11106), (2682, 8021), (3702, 5811), (3874, 5553)]