21291255888

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{350093}}^1$

素因数の和:350292

約数の個数: 80

約数和(自身を含む): 63207371136

約数和(自身を除く): 41916115248

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 181, 336, 362, 543, 724, 1086, 1267, 1448, 2172, 2534, 2896, 3801, 4344, 5068, 7602, 8688, 10136, 15204, 20272, 30408, 60816, 350093, 700186, 1050279, 1400372, 2100558, 2450651, 2800744, 4201116, 4901302, 5601488, 7351953, 8402232, 9802604, 14703906, 16804464, 19605208, 29407812, 39210416, 58815624, 63366833, 117631248, 126733666, 190100499, 253467332, 380200998, 443567831, 506934664, 760401996, 887135662, 1013869328, 1330703493, 1520803992, 1774271324, 2661406986, 3041607984, 3548542648, 5322813972, 7097085296, 10645627944, 21291255888]

約数ペア:

[(1, 21291255888), (2, 10645627944), (3, 7097085296), (4, 5322813972), (6, 3548542648), (7, 3041607984), (8, 2661406986), (12, 1774271324), (14, 1520803992), (16, 1330703493), (21, 1013869328), (24, 887135662), (28, 760401996), (42, 506934664), (48, 443567831), (56, 380200998), (84, 253467332), (112, 190100499), (168, 126733666), (181, 117631248), (336, 63366833), (362, 58815624), (543, 39210416), (724, 29407812), (1086, 19605208), (1267, 16804464), (1448, 14703906), (2172, 9802604), (2534, 8402232), (2896, 7351953), (3801, 5601488), (4344, 4901302), (5068, 4201116), (7602, 2800744), (8688, 2450651), (10136, 2100558), (15204, 1400372), (20272, 1050279), (30408, 700186), (60816, 350093)]