21191232

素因数分解:

$2^6\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:228

約数の個数: 112

約数和(自身を含む): 61000640

約数和(自身を除く): 39809408

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 37, 38, 48, 57, 64, 74, 76, 96, 111, 114, 148, 152, 157, 192, 222, 228, 296, 304, 314, 444, 456, 471, 592, 608, 628, 703, 888, 912, 942, 1184, 1216, 1256, 1406, 1776, 1824, 1884, 2109, 2368, 2512, 2812, 2983, 3552, 3648, 3768, 4218, 5024, 5624, 5809, 5966, 7104, 7536, 8436, 8949, 10048, 11248, 11618, 11932, 15072, 16872, 17427, 17898, 22496, 23236, 23864, 30144, 33744, 34854, 35796, 44992, 46472, 47728, 67488, 69708, 71592, 92944, 95456, 110371, 134976, 139416, 143184, 185888, 190912, 220742, 278832, 286368, 331113, 371776, 441484, 557664, 572736, 662226, 882968, 1115328, 1324452, 1765936, 2648904, 3531872, 5297808, 7063744, 10595616, 21191232]

約数ペア:

[(1, 21191232), (2, 10595616), (3, 7063744), (4, 5297808), (6, 3531872), (8, 2648904), (12, 1765936), (16, 1324452), (19, 1115328), (24, 882968), (32, 662226), (37, 572736), (38, 557664), (48, 441484), (57, 371776), (64, 331113), (74, 286368), (76, 278832), (96, 220742), (111, 190912), (114, 185888), (148, 143184), (152, 139416), (157, 134976), (192, 110371), (222, 95456), (228, 92944), (296, 71592), (304, 69708), (314, 67488), (444, 47728), (456, 46472), (471, 44992), (592, 35796), (608, 34854), (628, 33744), (703, 30144), (888, 23864), (912, 23236), (942, 22496), (1184, 17898), (1216, 17427), (1256, 16872), (1406, 15072), (1776, 11932), (1824, 11618), (1884, 11248), (2109, 10048), (2368, 8949), (2512, 8436), (2812, 7536), (2983, 7104), (3552, 5966), (3648, 5809), (3768, 5624), (4218, 5024)]