21833185

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1229}}^1$

素因数の和:1281

約数の個数: 32

約数和(自身を含む): 31881600

約数和(自身を除く): 10048415

約数列:

[1, 5, 11, 17, 19, 55, 85, 95, 187, 209, 323, 935, 1045, 1229, 1615, 3553, 6145, 13519, 17765, 20893, 23351, 67595, 104465, 116755, 229823, 256861, 396967, 1149115, 1284305, 1984835, 4366637, 21833185]

約数ペア:

[(1, 21833185), (5, 4366637), (11, 1984835), (17, 1284305), (19, 1149115), (55, 396967), (85, 256861), (95, 229823), (187, 116755), (209, 104465), (323, 67595), (935, 23351), (1045, 20893), (1229, 17765), (1615, 13519), (3553, 6145)]