21326208

素因数分解:

$2^7\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:152

約数の個数: 128

約数和(自身を含む): 62016000

約数和(自身を除く): 40689792

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 37, 38, 48, 57, 64, 74, 76, 79, 96, 111, 114, 128, 148, 152, 158, 192, 222, 228, 237, 296, 304, 316, 384, 444, 456, 474, 592, 608, 632, 703, 888, 912, 948, 1184, 1216, 1264, 1406, 1501, 1776, 1824, 1896, 2109, 2368, 2432, 2528, 2812, 2923, 3002, 3552, 3648, 3792, 4218, 4503, 4736, 5056, 5624, 5846, 6004, 7104, 7296, 7584, 8436, 8769, 9006, 10112, 11248, 11692, 12008, 14208, 15168, 16872, 17538, 18012, 22496, 23384, 24016, 30336, 33744, 35076, 36024, 44992, 46768, 48032, 55537, 67488, 70152, 72048, 89984, 93536, 96064, 111074, 134976, 140304, 144096, 166611, 187072, 192128, 222148, 269952, 280608, 288192, 333222, 374144, 444296, 561216, 576384, 666444, 888592, 1122432, 1332888, 1777184, 2665776, 3554368, 5331552, 7108736, 10663104, 21326208]

約数ペア:

[(1, 21326208), (2, 10663104), (3, 7108736), (4, 5331552), (6, 3554368), (8, 2665776), (12, 1777184), (16, 1332888), (19, 1122432), (24, 888592), (32, 666444), (37, 576384), (38, 561216), (48, 444296), (57, 374144), (64, 333222), (74, 288192), (76, 280608), (79, 269952), (96, 222148), (111, 192128), (114, 187072), (128, 166611), (148, 144096), (152, 140304), (158, 134976), (192, 111074), (222, 96064), (228, 93536), (237, 89984), (296, 72048), (304, 70152), (316, 67488), (384, 55537), (444, 48032), (456, 46768), (474, 44992), (592, 36024), (608, 35076), (632, 33744), (703, 30336), (888, 24016), (912, 23384), (948, 22496), (1184, 18012), (1216, 17538), (1264, 16872), (1406, 15168), (1501, 14208), (1776, 12008), (1824, 11692), (1896, 11248), (2109, 10112), (2368, 9006), (2432, 8769), (2528, 8436), (2812, 7584), (2923, 7296), (3002, 7104), (3552, 6004), (3648, 5846), (3792, 5624), (4218, 5056), (4503, 4736)]