21001015

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{16217}}^1$

素因数の和:16266

約数の個数: 16

約数和(自身を含む): 29581632

約数和(自身を除く): 8580617

約数列:

[1, 5, 7, 35, 37, 185, 259, 1295, 16217, 81085, 113519, 567595, 600029, 3000145, 4200203, 21001015]

約数ペア:

[(1, 21001015), (5, 4200203), (7, 3000145), (35, 600029), (37, 567595), (185, 113519), (259, 81085), (1295, 16217)]