21908580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{457}}^1$

素因数の和:533

約数の個数: 96

約数和(自身を含む): 66479616

約数和(自身を除く): 44571036

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 47, 51, 60, 68, 85, 94, 102, 141, 170, 188, 204, 235, 255, 282, 340, 457, 470, 510, 564, 705, 799, 914, 940, 1020, 1371, 1410, 1598, 1828, 2285, 2397, 2742, 2820, 3196, 3995, 4570, 4794, 5484, 6855, 7769, 7990, 9140, 9588, 11985, 13710, 15538, 15980, 21479, 23307, 23970, 27420, 31076, 38845, 42958, 46614, 47940, 64437, 77690, 85916, 93228, 107395, 116535, 128874, 155380, 214790, 233070, 257748, 322185, 365143, 429580, 466140, 644370, 730286, 1095429, 1288740, 1460572, 1825715, 2190858, 3651430, 4381716, 5477145, 7302860, 10954290, 21908580]

約数ペア:

[(1, 21908580), (2, 10954290), (3, 7302860), (4, 5477145), (5, 4381716), (6, 3651430), (10, 2190858), (12, 1825715), (15, 1460572), (17, 1288740), (20, 1095429), (30, 730286), (34, 644370), (47, 466140), (51, 429580), (60, 365143), (68, 322185), (85, 257748), (94, 233070), (102, 214790), (141, 155380), (170, 128874), (188, 116535), (204, 107395), (235, 93228), (255, 85916), (282, 77690), (340, 64437), (457, 47940), (470, 46614), (510, 42958), (564, 38845), (705, 31076), (799, 27420), (914, 23970), (940, 23307), (1020, 21479), (1371, 15980), (1410, 15538), (1598, 13710), (1828, 11985), (2285, 9588), (2397, 9140), (2742, 7990), (2820, 7769), (3196, 6855), (3995, 5484), (4570, 4794)]