21096900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{2131}}^1$

素因数の和:2162

約数の個数: 108

約数和(自身を含む): 72172464

約数和(自身を除く): 51075564

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 25, 30, 33, 36, 44, 45, 50, 55, 60, 66, 75, 90, 99, 100, 110, 132, 150, 165, 180, 198, 220, 225, 275, 300, 330, 396, 450, 495, 550, 660, 825, 900, 990, 1100, 1650, 1980, 2131, 2475, 3300, 4262, 4950, 6393, 8524, 9900, 10655, 12786, 19179, 21310, 23441, 25572, 31965, 38358, 42620, 46882, 53275, 63930, 70323, 76716, 93764, 95895, 106550, 117205, 127860, 140646, 159825, 191790, 210969, 213100, 234410, 281292, 319650, 351615, 383580, 421938, 468820, 479475, 586025, 639300, 703230, 843876, 958950, 1054845, 1172050, 1406460, 1758075, 1917900, 2109690, 2344100, 3516150, 4219380, 5274225, 7032300, 10548450, 21096900]

約数ペア:

[(1, 21096900), (2, 10548450), (3, 7032300), (4, 5274225), (5, 4219380), (6, 3516150), (9, 2344100), (10, 2109690), (11, 1917900), (12, 1758075), (15, 1406460), (18, 1172050), (20, 1054845), (22, 958950), (25, 843876), (30, 703230), (33, 639300), (36, 586025), (44, 479475), (45, 468820), (50, 421938), (55, 383580), (60, 351615), (66, 319650), (75, 281292), (90, 234410), (99, 213100), (100, 210969), (110, 191790), (132, 159825), (150, 140646), (165, 127860), (180, 117205), (198, 106550), (220, 95895), (225, 93764), (275, 76716), (300, 70323), (330, 63930), (396, 53275), (450, 46882), (495, 42620), (550, 38358), (660, 31965), (825, 25572), (900, 23441), (990, 21310), (1100, 19179), (1650, 12786), (1980, 10655), (2131, 9900), (2475, 8524), (3300, 6393), (4262, 4950)]