21458115

素因数分解:

$3^6\times 5^1\times 7^1\times {\mathrm{29}}^2$

素因数の和:88

約数の個数: 84

約数和(自身を含む): 45696144

約数和(自身を除く): 24238029

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 29, 35, 45, 63, 81, 87, 105, 135, 145, 189, 203, 243, 261, 315, 405, 435, 567, 609, 729, 783, 841, 945, 1015, 1215, 1305, 1701, 1827, 2349, 2523, 2835, 3045, 3645, 3915, 4205, 5103, 5481, 5887, 7047, 7569, 8505, 9135, 11745, 12615, 16443, 17661, 21141, 22707, 25515, 27405, 29435, 35235, 37845, 49329, 52983, 68121, 82215, 88305, 105705, 113535, 147987, 158949, 204363, 246645, 264915, 340605, 476847, 613089, 739935, 794745, 1021815, 1430541, 2384235, 3065445, 4291623, 7152705, 21458115]

約数ペア:

[(1, 21458115), (3, 7152705), (5, 4291623), (7, 3065445), (9, 2384235), (15, 1430541), (21, 1021815), (27, 794745), (29, 739935), (35, 613089), (45, 476847), (63, 340605), (81, 264915), (87, 246645), (105, 204363), (135, 158949), (145, 147987), (189, 113535), (203, 105705), (243, 88305), (261, 82215), (315, 68121), (405, 52983), (435, 49329), (567, 37845), (609, 35235), (729, 29435), (783, 27405), (841, 25515), (945, 22707), (1015, 21141), (1215, 17661), (1305, 16443), (1701, 12615), (1827, 11745), (2349, 9135), (2523, 8505), (2835, 7569), (3045, 7047), (3645, 5887), (3915, 5481), (4205, 5103)]