21971718

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{1217}}^1$

素因数の和:1301

約数の個数: 48

約数和(自身を含む): 51302160

約数和(自身を除く): 29330442

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 59, 102, 118, 153, 177, 306, 354, 531, 1003, 1062, 1217, 2006, 2434, 3009, 3651, 6018, 7302, 9027, 10953, 18054, 20689, 21906, 41378, 62067, 71803, 124134, 143606, 186201, 215409, 372402, 430818, 646227, 1220651, 1292454, 2441302, 3661953, 7323906, 10985859, 21971718]

約数ペア:

[(1, 21971718), (2, 10985859), (3, 7323906), (6, 3661953), (9, 2441302), (17, 1292454), (18, 1220651), (34, 646227), (51, 430818), (59, 372402), (102, 215409), (118, 186201), (153, 143606), (177, 124134), (306, 71803), (354, 62067), (531, 41378), (1003, 21906), (1062, 20689), (1217, 18054), (2006, 10953), (2434, 9027), (3009, 7302), (3651, 6018)]