21750460

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{4013}}^1$

素因数の和:4293

約数の個数: 24

約数和(自身を含む): 45855936

約数和(自身を除く): 24105476

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 1084, 1355, 2710, 4013, 5420, 8026, 16052, 20065, 40130, 80260, 1087523, 2175046, 4350092, 5437615, 10875230, 21750460]

約数ペア:

[(1, 21750460), (2, 10875230), (4, 5437615), (5, 4350092), (10, 2175046), (20, 1087523), (271, 80260), (542, 40130), (1084, 20065), (1355, 16052), (2710, 8026), (4013, 5420)]