21492287376

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{148411}}^1$

素因数の和:148860

約数の個数: 80

約数和(自身を含む): 63601072128

約数和(自身を除く): 42108784752

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 431, 862, 1293, 1724, 2586, 3017, 3448, 5172, 6034, 6896, 9051, 10344, 12068, 18102, 20688, 24136, 36204, 48272, 72408, 144816, 148411, 296822, 445233, 593644, 890466, 1038877, 1187288, 1780932, 2077754, 2374576, 3116631, 3561864, 4155508, 6233262, 7123728, 8311016, 12466524, 16622032, 24933048, 49866096, 63965141, 127930282, 191895423, 255860564, 383790846, 447755987, 511721128, 767581692, 895511974, 1023442256, 1343267961, 1535163384, 1791023948, 2686535922, 3070326768, 3582047896, 5373071844, 7164095792, 10746143688, 21492287376]

約数ペア:

[(1, 21492287376), (2, 10746143688), (3, 7164095792), (4, 5373071844), (6, 3582047896), (7, 3070326768), (8, 2686535922), (12, 1791023948), (14, 1535163384), (16, 1343267961), (21, 1023442256), (24, 895511974), (28, 767581692), (42, 511721128), (48, 447755987), (56, 383790846), (84, 255860564), (112, 191895423), (168, 127930282), (336, 63965141), (431, 49866096), (862, 24933048), (1293, 16622032), (1724, 12466524), (2586, 8311016), (3017, 7123728), (3448, 6233262), (5172, 4155508), (6034, 3561864), (6896, 3116631), (9051, 2374576), (10344, 2077754), (12068, 1780932), (18102, 1187288), (20688, 1038877), (24136, 890466), (36204, 593644), (48272, 445233), (72408, 296822), (144816, 148411)]