21988002

素因数分解:

$2^1\times 3^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1\times {\mathrm{347}}^1$

素因数の和:590

約数の個数: 32

約数和(自身を含む): 45100800

約数和(自身を除く): 23112798

約数列:

[1, 2, 3, 6, 59, 118, 177, 179, 347, 354, 358, 537, 694, 1041, 1074, 2082, 10561, 20473, 21122, 31683, 40946, 61419, 62113, 63366, 122838, 124226, 186339, 372678, 3664667, 7329334, 10994001, 21988002]

約数ペア:

[(1, 21988002), (2, 10994001), (3, 7329334), (6, 3664667), (59, 372678), (118, 186339), (177, 124226), (179, 122838), (347, 63366), (354, 62113), (358, 61419), (537, 40946), (694, 31683), (1041, 21122), (1074, 20473), (2082, 10561)]