21375842

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:262

約数の個数: 32

約数和(自身を含む): 34700400

約数和(自身を除く): 13324558

約数列:

[1, 2, 29, 41, 58, 82, 89, 101, 178, 202, 1189, 2378, 2581, 2929, 3649, 4141, 5162, 5858, 7298, 8282, 8989, 17978, 105821, 120089, 211642, 240178, 260681, 368549, 521362, 737098, 10687921, 21375842]

約数ペア:

[(1, 21375842), (2, 10687921), (29, 737098), (41, 521362), (58, 368549), (82, 260681), (89, 240178), (101, 211642), (178, 120089), (202, 105821), (1189, 17978), (2378, 8989), (2581, 8282), (2929, 7298), (3649, 5858), (4141, 5162)]