21334570

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:199

約数の個数: 48

約数和(自身を含む): 41607720

約数和(自身を除く): 20273150

約数列:

[1, 2, 5, 10, 23, 37, 46, 74, 109, 115, 185, 218, 230, 370, 529, 545, 851, 1058, 1090, 1702, 2507, 2645, 4033, 4255, 5014, 5290, 8066, 8510, 12535, 19573, 20165, 25070, 39146, 40330, 57661, 92759, 97865, 115322, 185518, 195730, 288305, 463795, 576610, 927590, 2133457, 4266914, 10667285, 21334570]

約数ペア:

[(1, 21334570), (2, 10667285), (5, 4266914), (10, 2133457), (23, 927590), (37, 576610), (46, 463795), (74, 288305), (109, 195730), (115, 185518), (185, 115322), (218, 97865), (230, 92759), (370, 57661), (529, 40330), (545, 39146), (851, 25070), (1058, 20165), (1090, 19573), (1702, 12535), (2507, 8510), (2645, 8066), (4033, 5290), (4255, 5014)]