21871200

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{701}}^1$

素因数の和:737

約数の個数: 144

約数和(自身を含む): 76776336

約数和(自身を除く): 54905136

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 32, 39, 40, 48, 50, 52, 60, 65, 75, 78, 80, 96, 100, 104, 120, 130, 150, 156, 160, 195, 200, 208, 240, 260, 300, 312, 325, 390, 400, 416, 480, 520, 600, 624, 650, 701, 780, 800, 975, 1040, 1200, 1248, 1300, 1402, 1560, 1950, 2080, 2103, 2400, 2600, 2804, 3120, 3505, 3900, 4206, 5200, 5608, 6240, 7010, 7800, 8412, 9113, 10400, 10515, 11216, 14020, 15600, 16824, 17525, 18226, 21030, 22432, 27339, 28040, 31200, 33648, 35050, 36452, 42060, 45565, 52575, 54678, 56080, 67296, 70100, 72904, 84120, 91130, 105150, 109356, 112160, 136695, 140200, 145808, 168240, 182260, 210300, 218712, 227825, 273390, 280400, 291616, 336480, 364520, 420600, 437424, 455650, 546780, 560800, 683475, 729040, 841200, 874848, 911300, 1093560, 1366950, 1458080, 1682400, 1822600, 2187120, 2733900, 3645200, 4374240, 5467800, 7290400, 10935600, 21871200]

約数ペア:

[(1, 21871200), (2, 10935600), (3, 7290400), (4, 5467800), (5, 4374240), (6, 3645200), (8, 2733900), (10, 2187120), (12, 1822600), (13, 1682400), (15, 1458080), (16, 1366950), (20, 1093560), (24, 911300), (25, 874848), (26, 841200), (30, 729040), (32, 683475), (39, 560800), (40, 546780), (48, 455650), (50, 437424), (52, 420600), (60, 364520), (65, 336480), (75, 291616), (78, 280400), (80, 273390), (96, 227825), (100, 218712), (104, 210300), (120, 182260), (130, 168240), (150, 145808), (156, 140200), (160, 136695), (195, 112160), (200, 109356), (208, 105150), (240, 91130), (260, 84120), (300, 72904), (312, 70100), (325, 67296), (390, 56080), (400, 54678), (416, 52575), (480, 45565), (520, 42060), (600, 36452), (624, 35050), (650, 33648), (701, 31200), (780, 28040), (800, 27339), (975, 22432), (1040, 21030), (1200, 18226), (1248, 17525), (1300, 16824), (1402, 15600), (1560, 14020), (1950, 11216), (2080, 10515), (2103, 10400), (2400, 9113), (2600, 8412), (2804, 7800), (3120, 7010), (3505, 6240), (3900, 5608), (4206, 5200)]