21972010

素因数分解:

$2^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{14551}}^1$

素因数の和:14709

約数の個数: 16

約数和(自身を含む): 39814272

約数和(自身を除く): 17842262

約数列:

[1, 2, 5, 10, 151, 302, 755, 1510, 14551, 29102, 72755, 145510, 2197201, 4394402, 10986005, 21972010]

約数ペア:

[(1, 21972010), (2, 10986005), (5, 4394402), (10, 2197201), (151, 145510), (302, 72755), (755, 29102), (1510, 14551)]