21807670

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{229}}^1$

素因数の和:432

約数の個数: 32

約数和(自身を含む): 40240800

約数和(自身を除く): 18433130

約数列:

[1, 2, 5, 10, 89, 107, 178, 214, 229, 445, 458, 535, 890, 1070, 1145, 2290, 9523, 19046, 20381, 24503, 40762, 47615, 49006, 95230, 101905, 122515, 203810, 245030, 2180767, 4361534, 10903835, 21807670]

約数ペア:

[(1, 21807670), (2, 10903835), (5, 4361534), (10, 2180767), (89, 245030), (107, 203810), (178, 122515), (214, 101905), (229, 95230), (445, 49006), (458, 47615), (535, 40762), (890, 24503), (1070, 20381), (1145, 19046), (2290, 9523)]