21775425

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:135

約数の個数: 96

約数和(自身を含む): 45235200

約数和(自身を除く): 23459775

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 37, 57, 59, 75, 95, 105, 111, 133, 175, 177, 185, 259, 285, 295, 399, 413, 475, 525, 555, 665, 703, 777, 885, 925, 1121, 1239, 1295, 1425, 1475, 1995, 2065, 2109, 2183, 2775, 3325, 3363, 3515, 3885, 4425, 4921, 5605, 6195, 6475, 6549, 7847, 9975, 10325, 10545, 10915, 14763, 15281, 16815, 17575, 19425, 23541, 24605, 28025, 30975, 32745, 39235, 41477, 45843, 52725, 54575, 73815, 76405, 84075, 117705, 123025, 124431, 163725, 196175, 207385, 229215, 290339, 369075, 382025, 588525, 622155, 871017, 1036925, 1146075, 1451695, 3110775, 4355085, 7258475, 21775425]

約数ペア:

[(1, 21775425), (3, 7258475), (5, 4355085), (7, 3110775), (15, 1451695), (19, 1146075), (21, 1036925), (25, 871017), (35, 622155), (37, 588525), (57, 382025), (59, 369075), (75, 290339), (95, 229215), (105, 207385), (111, 196175), (133, 163725), (175, 124431), (177, 123025), (185, 117705), (259, 84075), (285, 76405), (295, 73815), (399, 54575), (413, 52725), (475, 45843), (525, 41477), (555, 39235), (665, 32745), (703, 30975), (777, 28025), (885, 24605), (925, 23541), (1121, 19425), (1239, 17575), (1295, 16815), (1425, 15281), (1475, 14763), (1995, 10915), (2065, 10545), (2109, 10325), (2183, 9975), (2775, 7847), (3325, 6549), (3363, 6475), (3515, 6195), (3885, 5605), (4425, 4921)]