21860108

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{383}}^1\times {\mathrm{751}}^1$

素因数の和:1157

約数の個数: 24

約数和(自身を含む): 40427520

約数和(自身を除く): 18567412

約数列:

[1, 2, 4, 19, 38, 76, 383, 751, 766, 1502, 1532, 3004, 7277, 14269, 14554, 28538, 29108, 57076, 287633, 575266, 1150532, 5465027, 10930054, 21860108]

約数ペア:

[(1, 21860108), (2, 10930054), (4, 5465027), (19, 1150532), (38, 575266), (76, 287633), (383, 57076), (751, 29108), (766, 28538), (1502, 14554), (1532, 14269), (3004, 7277)]