21246436

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{1613}}^1$

素因数の和:1743

約数の個数: 24

約数和(自身を含む): 38639160

約数和(自身を除く): 17392724

約数列:

[1, 2, 4, 37, 74, 89, 148, 178, 356, 1613, 3226, 3293, 6452, 6586, 13172, 59681, 119362, 143557, 238724, 287114, 574228, 5311609, 10623218, 21246436]

約数ペア:

[(1, 21246436), (2, 10623218), (4, 5311609), (37, 574228), (74, 287114), (89, 238724), (148, 143557), (178, 119362), (356, 59681), (1613, 13172), (3226, 6586), (3293, 6452)]