21378468

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{569}}^1$

素因数の和:708

約数の個数: 48

約数和(自身を含む): 52093440

約数和(自身を除く): 30714972

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 101, 124, 186, 202, 303, 372, 404, 569, 606, 1138, 1212, 1707, 2276, 3131, 3414, 6262, 6828, 9393, 12524, 17639, 18786, 35278, 37572, 52917, 57469, 70556, 105834, 114938, 172407, 211668, 229876, 344814, 689628, 1781539, 3563078, 5344617, 7126156, 10689234, 21378468]

約数ペア:

[(1, 21378468), (2, 10689234), (3, 7126156), (4, 5344617), (6, 3563078), (12, 1781539), (31, 689628), (62, 344814), (93, 229876), (101, 211668), (124, 172407), (186, 114938), (202, 105834), (303, 70556), (372, 57469), (404, 52917), (569, 37572), (606, 35278), (1138, 18786), (1212, 17639), (1707, 12524), (2276, 9393), (3131, 6828), (3414, 6262)]