21068850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{113}}^2$

素因数の和:252

約数の個数: 72

約数和(自身を含む): 57509712

約数和(自身を除く): 36440862

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 33, 50, 55, 66, 75, 110, 113, 150, 165, 226, 275, 330, 339, 550, 565, 678, 825, 1130, 1243, 1650, 1695, 2486, 2825, 3390, 3729, 5650, 6215, 7458, 8475, 12430, 12769, 16950, 18645, 25538, 31075, 37290, 38307, 62150, 63845, 76614, 93225, 127690, 140459, 186450, 191535, 280918, 319225, 383070, 421377, 638450, 702295, 842754, 957675, 1404590, 1915350, 2106885, 3511475, 4213770, 7022950, 10534425, 21068850]

約数ペア:

[(1, 21068850), (2, 10534425), (3, 7022950), (5, 4213770), (6, 3511475), (10, 2106885), (11, 1915350), (15, 1404590), (22, 957675), (25, 842754), (30, 702295), (33, 638450), (50, 421377), (55, 383070), (66, 319225), (75, 280918), (110, 191535), (113, 186450), (150, 140459), (165, 127690), (226, 93225), (275, 76614), (330, 63845), (339, 62150), (550, 38307), (565, 37290), (678, 31075), (825, 25538), (1130, 18645), (1243, 16950), (1650, 12769), (1695, 12430), (2486, 8475), (2825, 7458), (3390, 6215), (3729, 5650)]