21815230

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{6043}}^1$

素因数の和:6088

約数の個数: 24

約数和(自身を含む): 41449752

約数和(自身を除く): 19634522

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 361, 722, 1805, 3610, 6043, 12086, 30215, 60430, 114817, 229634, 574085, 1148170, 2181523, 4363046, 10907615, 21815230]

約数ペア:

[(1, 21815230), (2, 10907615), (5, 4363046), (10, 2181523), (19, 1148170), (38, 574085), (95, 229634), (190, 114817), (361, 60430), (722, 30215), (1805, 12086), (3610, 6043)]