21193691454

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{90571331}}^1$

素因数の和:90571352

約数の個数: 24

約数和(自身を含む): 49451947272

約数和(自身を除く): 28258255818

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 90571331, 181142662, 271713993, 543427986, 815141979, 1177427303, 1630283958, 2354854606, 3532281909, 7064563818, 10596845727, 21193691454]

約数ペア:

[(1, 21193691454), (2, 10596845727), (3, 7064563818), (6, 3532281909), (9, 2354854606), (13, 1630283958), (18, 1177427303), (26, 815141979), (39, 543427986), (78, 271713993), (117, 181142662), (234, 90571331)]