21736910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{617}}^1$

素因数の和:908

約数の個数: 32

約数和(自身を含む): 42360192

約数和(自身を除く): 20623282

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 271, 542, 617, 1234, 1355, 2710, 3085, 3523, 6170, 7046, 8021, 16042, 17615, 35230, 40105, 80210, 167207, 334414, 836035, 1672070, 2173691, 4347382, 10868455, 21736910]

約数ペア:

[(1, 21736910), (2, 10868455), (5, 4347382), (10, 2173691), (13, 1672070), (26, 836035), (65, 334414), (130, 167207), (271, 80210), (542, 40105), (617, 35230), (1234, 17615), (1355, 16042), (2710, 8021), (3085, 7046), (3523, 6170)]