21317601

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{3631}}^1$

素因数の和:3756

約数の個数: 16

約数和(自身を含む): 30218240

約数和(自身を除く): 8900639

約数列:

[1, 3, 19, 57, 103, 309, 1957, 3631, 5871, 10893, 68989, 206967, 373993, 1121979, 7105867, 21317601]

約数ペア:

[(1, 21317601), (3, 7105867), (19, 1121979), (57, 373993), (103, 206967), (309, 68989), (1957, 10893), (3631, 5871)]