21337584

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{331}}^1$

素因数の和:438

約数の個数: 80

約数和(自身を含む): 59281920

約数和(自身を除く): 37944336

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 79, 102, 136, 158, 204, 237, 272, 316, 331, 408, 474, 632, 662, 816, 948, 993, 1264, 1324, 1343, 1896, 1986, 2648, 2686, 3792, 3972, 4029, 5296, 5372, 5627, 7944, 8058, 10744, 11254, 15888, 16116, 16881, 21488, 22508, 26149, 32232, 33762, 45016, 52298, 64464, 67524, 78447, 90032, 104596, 135048, 156894, 209192, 270096, 313788, 418384, 444533, 627576, 889066, 1255152, 1333599, 1778132, 2667198, 3556264, 5334396, 7112528, 10668792, 21337584]

約数ペア:

[(1, 21337584), (2, 10668792), (3, 7112528), (4, 5334396), (6, 3556264), (8, 2667198), (12, 1778132), (16, 1333599), (17, 1255152), (24, 889066), (34, 627576), (48, 444533), (51, 418384), (68, 313788), (79, 270096), (102, 209192), (136, 156894), (158, 135048), (204, 104596), (237, 90032), (272, 78447), (316, 67524), (331, 64464), (408, 52298), (474, 45016), (632, 33762), (662, 32232), (816, 26149), (948, 22508), (993, 21488), (1264, 16881), (1324, 16116), (1343, 15888), (1896, 11254), (1986, 10744), (2648, 8058), (2686, 7944), (3792, 5627), (3972, 5372), (4029, 5296)]