21007065

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73709}}^1$

素因数の和:73736

約数の個数: 16

約数和(自身を含む): 35380800

約数和(自身を除く): 14373735

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 73709, 221127, 368545, 1105635, 1400471, 4201413, 7002355, 21007065]

約数ペア:

[(1, 21007065), (3, 7002355), (5, 4201413), (15, 1400471), (19, 1105635), (57, 368545), (95, 221127), (285, 73709)]