21977642

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{7321}}^1$

素因数の和:7421

約数の個数: 16

約数和(自身を含む): 35145600

約数和(自身を除く): 13167958

約数列:

[1, 2, 19, 38, 79, 158, 1501, 3002, 7321, 14642, 139099, 278198, 578359, 1156718, 10988821, 21977642]

約数ペア:

[(1, 21977642), (2, 10988821), (19, 1156718), (38, 578359), (79, 278198), (158, 139099), (1501, 14642), (3002, 7321)]