21823575

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 37842816

約数和(自身を除く): 16019241

約数列:

[1, 3, 5, 15, 25, 43, 67, 75, 101, 129, 201, 215, 303, 335, 505, 645, 1005, 1075, 1515, 1675, 2525, 2881, 3225, 4343, 5025, 6767, 7575, 8643, 13029, 14405, 20301, 21715, 33835, 43215, 65145, 72025, 101505, 108575, 169175, 216075, 290981, 325725, 507525, 872943, 1454905, 4364715, 7274525, 21823575]

約数ペア:

[(1, 21823575), (3, 7274525), (5, 4364715), (15, 1454905), (25, 872943), (43, 507525), (67, 325725), (75, 290981), (101, 216075), (129, 169175), (201, 108575), (215, 101505), (303, 72025), (335, 65145), (505, 43215), (645, 33835), (1005, 21715), (1075, 20301), (1515, 14405), (1675, 13029), (2525, 8643), (2881, 7575), (3225, 6767), (4343, 5025)]