21673120

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{523}}^1$

素因数の和:582

約数の個数: 96

約数和(自身を含む): 60213888

約数和(自身を除く): 38540768

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 56, 70, 74, 80, 112, 140, 148, 160, 185, 224, 259, 280, 296, 370, 518, 523, 560, 592, 740, 1036, 1046, 1120, 1184, 1295, 1480, 2072, 2092, 2590, 2615, 2960, 3661, 4144, 4184, 5180, 5230, 5920, 7322, 8288, 8368, 10360, 10460, 14644, 16736, 18305, 19351, 20720, 20920, 29288, 36610, 38702, 41440, 41840, 58576, 73220, 77404, 83680, 96755, 117152, 135457, 146440, 154808, 193510, 270914, 292880, 309616, 387020, 541828, 585760, 619232, 677285, 774040, 1083656, 1354570, 1548080, 2167312, 2709140, 3096160, 4334624, 5418280, 10836560, 21673120]

約数ペア:

[(1, 21673120), (2, 10836560), (4, 5418280), (5, 4334624), (7, 3096160), (8, 2709140), (10, 2167312), (14, 1548080), (16, 1354570), (20, 1083656), (28, 774040), (32, 677285), (35, 619232), (37, 585760), (40, 541828), (56, 387020), (70, 309616), (74, 292880), (80, 270914), (112, 193510), (140, 154808), (148, 146440), (160, 135457), (185, 117152), (224, 96755), (259, 83680), (280, 77404), (296, 73220), (370, 58576), (518, 41840), (523, 41440), (560, 38702), (592, 36610), (740, 29288), (1036, 20920), (1046, 20720), (1120, 19351), (1184, 18305), (1295, 16736), (1480, 14644), (2072, 10460), (2092, 10360), (2590, 8368), (2615, 8288), (2960, 7322), (3661, 5920), (4144, 5230), (4184, 5180)]