21308038

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{7933}}^1$

素因数の和:8031

約数の個数: 16

約数和(自身を含む): 34274880

約数和(自身を除く): 12966842

約数列:

[1, 2, 17, 34, 79, 158, 1343, 2686, 7933, 15866, 134861, 269722, 626707, 1253414, 10654019, 21308038]

約数ペア:

[(1, 21308038), (2, 10654019), (17, 1253414), (34, 626707), (79, 269722), (158, 134861), (1343, 15866), (2686, 7933)]