21146468

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{39749}}^1$

素因数の和:39779

約数の個数: 24

約数和(自身を含む): 44520000

約数和(自身を除く): 23373532

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 39749, 79498, 158996, 278243, 556486, 755231, 1112972, 1510462, 3020924, 5286617, 10573234, 21146468]

約数ペア:

[(1, 21146468), (2, 10573234), (4, 5286617), (7, 3020924), (14, 1510462), (19, 1112972), (28, 755231), (38, 556486), (76, 278243), (133, 158996), (266, 79498), (532, 39749)]