21864030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31687}}^1$

素因数の和:31720

約数の個数: 32

約数和(自身を含む): 54756864

約数和(自身を除く): 32892834

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 31687, 63374, 95061, 158435, 190122, 316870, 475305, 728801, 950610, 1457602, 2186403, 3644005, 4372806, 7288010, 10932015, 21864030]

約数ペア:

[(1, 21864030), (2, 10932015), (3, 7288010), (5, 4372806), (6, 3644005), (10, 2186403), (15, 1457602), (23, 950610), (30, 728801), (46, 475305), (69, 316870), (115, 190122), (138, 158435), (230, 95061), (345, 63374), (690, 31687)]