21000446958

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{193}}^1\times {\mathrm{6967}}^1$

素因数の和:7321

約数の個数: 64

約数和(自身を含む): 44771351040

約数和(自身を除く): 23770904082

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 137, 193, 274, 386, 411, 579, 822, 1158, 2603, 3667, 5206, 6967, 7334, 7809, 11001, 13934, 15618, 20901, 22002, 26441, 41802, 52882, 79323, 132373, 158646, 264746, 397119, 502379, 794238, 954479, 1004758, 1344631, 1507137, 1908958, 2689262, 2863437, 3014274, 4033893, 5726874, 8067786, 18135101, 25547989, 36270202, 51095978, 54405303, 76643967, 108810606, 153287934, 184214447, 368428894, 552643341, 1105286682, 3500074493, 7000148986, 10500223479, 21000446958]

約数ペア:

[(1, 21000446958), (2, 10500223479), (3, 7000148986), (6, 3500074493), (19, 1105286682), (38, 552643341), (57, 368428894), (114, 184214447), (137, 153287934), (193, 108810606), (274, 76643967), (386, 54405303), (411, 51095978), (579, 36270202), (822, 25547989), (1158, 18135101), (2603, 8067786), (3667, 5726874), (5206, 4033893), (6967, 3014274), (7334, 2863437), (7809, 2689262), (11001, 1908958), (13934, 1507137), (15618, 1344631), (20901, 1004758), (22002, 954479), (26441, 794238), (41802, 502379), (52882, 397119), (79323, 264746), (132373, 158646)]