21645035

素因数分解:

$5^1\times {\mathrm{59}}^1\times {\mathrm{239}}^1\times {\mathrm{307}}^1$

素因数の和:610

約数の個数: 16

約数和(自身を含む): 26611200

約数和(自身を除く): 4966165

約数列:

[1, 5, 59, 239, 295, 307, 1195, 1535, 14101, 18113, 70505, 73373, 90565, 366865, 4329007, 21645035]

約数ペア:

[(1, 21645035), (5, 4329007), (59, 366865), (239, 90565), (295, 73373), (307, 70505), (1195, 18113), (1535, 14101)]