21862323

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 38750400

約数和(自身を除く): 16888077

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 137, 149, 153, 357, 411, 447, 959, 1043, 1071, 1233, 1341, 2329, 2533, 2877, 3129, 6987, 7599, 8631, 9387, 16303, 17731, 20413, 20961, 22797, 48909, 53193, 61239, 142891, 146727, 159579, 183717, 347021, 428673, 1041063, 1286019, 2429147, 3123189, 7287441, 21862323]

約数ペア:

[(1, 21862323), (3, 7287441), (7, 3123189), (9, 2429147), (17, 1286019), (21, 1041063), (51, 428673), (63, 347021), (119, 183717), (137, 159579), (149, 146727), (153, 142891), (357, 61239), (411, 53193), (447, 48909), (959, 22797), (1043, 20961), (1071, 20413), (1233, 17731), (1341, 16303), (2329, 9387), (2533, 8631), (2877, 7599), (3129, 6987)]