21862130

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{647}}^1$

素因数の和:794

約数の個数: 32

約数和(自身を含む): 41057280

約数和(自身を除く): 19195150

約数列:

[1, 2, 5, 10, 31, 62, 109, 155, 218, 310, 545, 647, 1090, 1294, 3235, 3379, 6470, 6758, 16895, 20057, 33790, 40114, 70523, 100285, 141046, 200570, 352615, 705230, 2186213, 4372426, 10931065, 21862130]

約数ペア:

[(1, 21862130), (2, 10931065), (5, 4372426), (10, 2186213), (31, 705230), (62, 352615), (109, 200570), (155, 141046), (218, 100285), (310, 70523), (545, 40114), (647, 33790), (1090, 20057), (1294, 16895), (3235, 6758), (3379, 6470)]