21086938400

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{2396243}}^1$

素因数の和:2396274

約数の個数: 72

約数和(自身を含む): 56158374384

約数和(自身を除く): 35071435984

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 80, 88, 100, 110, 160, 176, 200, 220, 275, 352, 400, 440, 550, 800, 880, 1100, 1760, 2200, 4400, 8800, 2396243, 4792486, 9584972, 11981215, 19169944, 23962430, 26358673, 38339888, 47924860, 52717346, 59906075, 76679776, 95849720, 105434692, 119812150, 131793365, 191699440, 210869384, 239624300, 263586730, 383398880, 421738768, 479248600, 527173460, 658966825, 843477536, 958497200, 1054346920, 1317933650, 1916994400, 2108693840, 2635867300, 4217387680, 5271734600, 10543469200, 21086938400]

約数ペア:

[(1, 21086938400), (2, 10543469200), (4, 5271734600), (5, 4217387680), (8, 2635867300), (10, 2108693840), (11, 1916994400), (16, 1317933650), (20, 1054346920), (22, 958497200), (25, 843477536), (32, 658966825), (40, 527173460), (44, 479248600), (50, 421738768), (55, 383398880), (80, 263586730), (88, 239624300), (100, 210869384), (110, 191699440), (160, 131793365), (176, 119812150), (200, 105434692), (220, 95849720), (275, 76679776), (352, 59906075), (400, 52717346), (440, 47924860), (550, 38339888), (800, 26358673), (880, 23962430), (1100, 19169944), (1760, 11981215), (2200, 9584972), (4400, 4792486), (8800, 2396243)]