21490653840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{347}}^1\times {\mathrm{1223}}^1$

素因数の和:1797

約数の個数: 160

約数和(自身を含む): 67184557056

約数和(自身を除く): 45693903216

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 211, 240, 347, 422, 633, 694, 844, 1041, 1055, 1223, 1266, 1388, 1688, 1735, 2082, 2110, 2446, 2532, 2776, 3165, 3376, 3470, 3669, 4164, 4220, 4892, 5064, 5205, 5552, 6115, 6330, 6940, 7338, 8328, 8440, 9784, 10128, 10410, 12230, 12660, 13880, 14676, 16656, 16880, 18345, 19568, 20820, 24460, 25320, 27760, 29352, 36690, 41640, 48920, 50640, 58704, 73217, 73380, 83280, 97840, 146434, 146760, 219651, 258053, 292868, 293520, 366085, 424381, 439302, 516106, 585736, 732170, 774159, 848762, 878604, 1032212, 1098255, 1171472, 1273143, 1290265, 1464340, 1548318, 1697524, 1757208, 2064424, 2121905, 2196510, 2546286, 2580530, 2928680, 3096636, 3395048, 3514416, 3870795, 4128848, 4243810, 4393020, 5092572, 5161060, 5857360, 6193272, 6365715, 6790096, 7741590, 8487620, 8786040, 10185144, 10322120, 12386544, 12731430, 15483180, 16975240, 17572080, 20370288, 20644240, 25462860, 30966360, 33950480, 50925720, 61932720, 89544391, 101851440, 179088782, 268633173, 358177564, 447721955, 537266346, 716355128, 895443910, 1074532692, 1343165865, 1432710256, 1790887820, 2149065384, 2686331730, 3581775640, 4298130768, 5372663460, 7163551280, 10745326920, 21490653840]

約数ペア:

[(1, 21490653840), (2, 10745326920), (3, 7163551280), (4, 5372663460), (5, 4298130768), (6, 3581775640), (8, 2686331730), (10, 2149065384), (12, 1790887820), (15, 1432710256), (16, 1343165865), (20, 1074532692), (24, 895443910), (30, 716355128), (40, 537266346), (48, 447721955), (60, 358177564), (80, 268633173), (120, 179088782), (211, 101851440), (240, 89544391), (347, 61932720), (422, 50925720), (633, 33950480), (694, 30966360), (844, 25462860), (1041, 20644240), (1055, 20370288), (1223, 17572080), (1266, 16975240), (1388, 15483180), (1688, 12731430), (1735, 12386544), (2082, 10322120), (2110, 10185144), (2446, 8786040), (2532, 8487620), (2776, 7741590), (3165, 6790096), (3376, 6365715), (3470, 6193272), (3669, 5857360), (4164, 5161060), (4220, 5092572), (4892, 4393020), (5064, 4243810), (5205, 4128848), (5552, 3870795), (6115, 3514416), (6330, 3395048), (6940, 3096636), (7338, 2928680), (8328, 2580530), (8440, 2546286), (9784, 2196510), (10128, 2121905), (10410, 2064424), (12230, 1757208), (12660, 1697524), (13880, 1548318), (14676, 1464340), (16656, 1290265), (16880, 1273143), (18345, 1171472), (19568, 1098255), (20820, 1032212), (24460, 878604), (25320, 848762), (27760, 774159), (29352, 732170), (36690, 585736), (41640, 516106), (48920, 439302), (50640, 424381), (58704, 366085), (73217, 293520), (73380, 292868), (83280, 258053), (97840, 219651), (146434, 146760)]