21075552

素因数分解:

$2^5\times 3^4\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:242

約数の個数: 120

約数和(自身を含む): 63667296

約数和(自身を除く): 42591744

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 47, 48, 54, 72, 81, 94, 96, 108, 141, 144, 162, 173, 188, 216, 282, 288, 324, 346, 376, 423, 432, 519, 564, 648, 692, 752, 846, 864, 1038, 1128, 1269, 1296, 1384, 1504, 1557, 1692, 2076, 2256, 2538, 2592, 2768, 3114, 3384, 3807, 4152, 4512, 4671, 5076, 5536, 6228, 6768, 7614, 8131, 8304, 9342, 10152, 12456, 13536, 14013, 15228, 16262, 16608, 18684, 20304, 24393, 24912, 28026, 30456, 32524, 37368, 40608, 48786, 49824, 56052, 60912, 65048, 73179, 74736, 97572, 112104, 121824, 130096, 146358, 149472, 195144, 219537, 224208, 260192, 292716, 390288, 439074, 448416, 585432, 658611, 780576, 878148, 1170864, 1317222, 1756296, 2341728, 2634444, 3512592, 5268888, 7025184, 10537776, 21075552]

約数ペア:

[(1, 21075552), (2, 10537776), (3, 7025184), (4, 5268888), (6, 3512592), (8, 2634444), (9, 2341728), (12, 1756296), (16, 1317222), (18, 1170864), (24, 878148), (27, 780576), (32, 658611), (36, 585432), (47, 448416), (48, 439074), (54, 390288), (72, 292716), (81, 260192), (94, 224208), (96, 219537), (108, 195144), (141, 149472), (144, 146358), (162, 130096), (173, 121824), (188, 112104), (216, 97572), (282, 74736), (288, 73179), (324, 65048), (346, 60912), (376, 56052), (423, 49824), (432, 48786), (519, 40608), (564, 37368), (648, 32524), (692, 30456), (752, 28026), (846, 24912), (864, 24393), (1038, 20304), (1128, 18684), (1269, 16608), (1296, 16262), (1384, 15228), (1504, 14013), (1557, 13536), (1692, 12456), (2076, 10152), (2256, 9342), (2538, 8304), (2592, 8131), (2768, 7614), (3114, 6768), (3384, 6228), (3807, 5536), (4152, 5076), (4512, 4671)]