21139908

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{599}}^1$

素因数の和:796

約数の個数: 48

約数和(自身を含む): 52617600

約数和(自身を除く): 31477692

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 173, 204, 346, 519, 599, 692, 1038, 1198, 1797, 2076, 2396, 2941, 3594, 5882, 7188, 8823, 10183, 11764, 17646, 20366, 30549, 35292, 40732, 61098, 103627, 122196, 207254, 310881, 414508, 621762, 1243524, 1761659, 3523318, 5284977, 7046636, 10569954, 21139908]

約数ペア:

[(1, 21139908), (2, 10569954), (3, 7046636), (4, 5284977), (6, 3523318), (12, 1761659), (17, 1243524), (34, 621762), (51, 414508), (68, 310881), (102, 207254), (173, 122196), (204, 103627), (346, 61098), (519, 40732), (599, 35292), (692, 30549), (1038, 20366), (1198, 17646), (1797, 11764), (2076, 10183), (2396, 8823), (2941, 7188), (3594, 5882)]