21372502

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:280

約数の個数: 32

約数和(自身を含む): 35164800

約数和(自身を除く): 13792298

約数列:

[1, 2, 17, 34, 73, 79, 109, 146, 158, 218, 1241, 1343, 1853, 2482, 2686, 3706, 5767, 7957, 8611, 11534, 15914, 17222, 98039, 135269, 146387, 196078, 270538, 292774, 628603, 1257206, 10686251, 21372502]

約数ペア:

[(1, 21372502), (2, 10686251), (17, 1257206), (34, 628603), (73, 292774), (79, 270538), (109, 196078), (146, 146387), (158, 135269), (218, 98039), (1241, 17222), (1343, 15914), (1853, 11534), (2482, 8611), (2686, 7957), (3706, 5767)]