21500304

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1049}}^1$

素因数の和:1128

約数の個数: 80

約数和(自身を含む): 64579200

約数和(自身を除く): 43078896

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 61, 84, 112, 122, 168, 183, 244, 336, 366, 427, 488, 732, 854, 976, 1049, 1281, 1464, 1708, 2098, 2562, 2928, 3147, 3416, 4196, 5124, 6294, 6832, 7343, 8392, 10248, 12588, 14686, 16784, 20496, 22029, 25176, 29372, 44058, 50352, 58744, 63989, 88116, 117488, 127978, 176232, 191967, 255956, 352464, 383934, 447923, 511912, 767868, 895846, 1023824, 1343769, 1535736, 1791692, 2687538, 3071472, 3583384, 5375076, 7166768, 10750152, 21500304]

約数ペア:

[(1, 21500304), (2, 10750152), (3, 7166768), (4, 5375076), (6, 3583384), (7, 3071472), (8, 2687538), (12, 1791692), (14, 1535736), (16, 1343769), (21, 1023824), (24, 895846), (28, 767868), (42, 511912), (48, 447923), (56, 383934), (61, 352464), (84, 255956), (112, 191967), (122, 176232), (168, 127978), (183, 117488), (244, 88116), (336, 63989), (366, 58744), (427, 50352), (488, 44058), (732, 29372), (854, 25176), (976, 22029), (1049, 20496), (1281, 16784), (1464, 14686), (1708, 12588), (2098, 10248), (2562, 8392), (2928, 7343), (3147, 6832), (3416, 6294), (4196, 5124)]