21796810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{3083}}^1$

素因数の和:3198

約数の個数: 32

約数和(自身を含む): 45297792

約数和(自身を除く): 23500982

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 101, 202, 505, 707, 1010, 1414, 3083, 3535, 6166, 7070, 15415, 21581, 30830, 43162, 107905, 215810, 311383, 622766, 1556915, 2179681, 3113830, 4359362, 10898405, 21796810]

約数ペア:

[(1, 21796810), (2, 10898405), (5, 4359362), (7, 3113830), (10, 2179681), (14, 1556915), (35, 622766), (70, 311383), (101, 215810), (202, 107905), (505, 43162), (707, 30830), (1010, 21581), (1414, 15415), (3083, 7070), (3535, 6166)]