21552464

素因数分解:

$2^4\times {\mathrm{17}}^2\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:180

約数の個数: 60

約数和(自身を含む): 45681600

約数和(自身を除く): 24129136

約数列:

[1, 2, 4, 8, 16, 17, 34, 59, 68, 79, 118, 136, 158, 236, 272, 289, 316, 472, 578, 632, 944, 1003, 1156, 1264, 1343, 2006, 2312, 2686, 4012, 4624, 4661, 5372, 8024, 9322, 10744, 16048, 17051, 18644, 21488, 22831, 34102, 37288, 45662, 68204, 74576, 79237, 91324, 136408, 158474, 182648, 272816, 316948, 365296, 633896, 1267792, 1347029, 2694058, 5388116, 10776232, 21552464]

約数ペア:

[(1, 21552464), (2, 10776232), (4, 5388116), (8, 2694058), (16, 1347029), (17, 1267792), (34, 633896), (59, 365296), (68, 316948), (79, 272816), (118, 182648), (136, 158474), (158, 136408), (236, 91324), (272, 79237), (289, 74576), (316, 68204), (472, 45662), (578, 37288), (632, 34102), (944, 22831), (1003, 21488), (1156, 18644), (1264, 17051), (1343, 16048), (2006, 10744), (2312, 9322), (2686, 8024), (4012, 5372), (4624, 4661)]