21638286

素因数分解:

$2^1\times 3^3\times {\mathrm{61}}^1\times {\mathrm{6569}}^1$

素因数の和:6641

約数の個数: 32

約数和(自身を含む): 48880800

約数和(自身を除く): 27242514

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 61, 122, 183, 366, 549, 1098, 1647, 3294, 6569, 13138, 19707, 39414, 59121, 118242, 177363, 354726, 400709, 801418, 1202127, 2404254, 3606381, 7212762, 10819143, 21638286]

約数ペア:

[(1, 21638286), (2, 10819143), (3, 7212762), (6, 3606381), (9, 2404254), (18, 1202127), (27, 801418), (54, 400709), (61, 354726), (122, 177363), (183, 118242), (366, 59121), (549, 39414), (1098, 19707), (1647, 13138), (3294, 6569)]