21295498

素因数分解:

$2^1\times 7^3\times {\mathrm{37}}^1\times {\mathrm{839}}^1$

素因数の和:899

約数の個数: 32

約数和(自身を含む): 38304000

約数和(自身を除く): 17008502

約数列:

[1, 2, 7, 14, 37, 49, 74, 98, 259, 343, 518, 686, 839, 1678, 1813, 3626, 5873, 11746, 12691, 25382, 31043, 41111, 62086, 82222, 217301, 287777, 434602, 575554, 1521107, 3042214, 10647749, 21295498]

約数ペア:

[(1, 21295498), (2, 10647749), (7, 3042214), (14, 1521107), (37, 575554), (49, 434602), (74, 287777), (98, 217301), (259, 82222), (343, 62086), (518, 41111), (686, 31043), (839, 25382), (1678, 12691), (1813, 11746), (3626, 5873)]