21940704

素因数分解:

$2^5\times 3^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:153

約数の個数: 144

約数和(自身を含む): 67223520

約数和(自身を除く): 45282816

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 32, 36, 37, 48, 58, 71, 72, 74, 87, 96, 111, 116, 142, 144, 148, 174, 213, 222, 232, 261, 284, 288, 296, 333, 348, 426, 444, 464, 522, 568, 592, 639, 666, 696, 852, 888, 928, 1044, 1073, 1136, 1184, 1278, 1332, 1392, 1704, 1776, 2059, 2088, 2146, 2272, 2556, 2627, 2664, 2784, 3219, 3408, 3552, 4118, 4176, 4292, 5112, 5254, 5328, 6177, 6438, 6816, 7881, 8236, 8352, 8584, 9657, 10224, 10508, 10656, 12354, 12876, 15762, 16472, 17168, 18531, 19314, 20448, 21016, 23643, 24708, 25752, 31524, 32944, 34336, 37062, 38628, 42032, 47286, 49416, 51504, 63048, 65888, 74124, 76183, 77256, 84064, 94572, 98832, 103008, 126096, 148248, 152366, 154512, 189144, 197664, 228549, 252192, 296496, 304732, 309024, 378288, 457098, 592992, 609464, 685647, 756576, 914196, 1218928, 1371294, 1828392, 2437856, 2742588, 3656784, 5485176, 7313568, 10970352, 21940704]

約数ペア:

[(1, 21940704), (2, 10970352), (3, 7313568), (4, 5485176), (6, 3656784), (8, 2742588), (9, 2437856), (12, 1828392), (16, 1371294), (18, 1218928), (24, 914196), (29, 756576), (32, 685647), (36, 609464), (37, 592992), (48, 457098), (58, 378288), (71, 309024), (72, 304732), (74, 296496), (87, 252192), (96, 228549), (111, 197664), (116, 189144), (142, 154512), (144, 152366), (148, 148248), (174, 126096), (213, 103008), (222, 98832), (232, 94572), (261, 84064), (284, 77256), (288, 76183), (296, 74124), (333, 65888), (348, 63048), (426, 51504), (444, 49416), (464, 47286), (522, 42032), (568, 38628), (592, 37062), (639, 34336), (666, 32944), (696, 31524), (852, 25752), (888, 24708), (928, 23643), (1044, 21016), (1073, 20448), (1136, 19314), (1184, 18531), (1278, 17168), (1332, 16472), (1392, 15762), (1704, 12876), (1776, 12354), (2059, 10656), (2088, 10508), (2146, 10224), (2272, 9657), (2556, 8584), (2627, 8352), (2664, 8236), (2784, 7881), (3219, 6816), (3408, 6438), (3552, 6177), (4118, 5328), (4176, 5254), (4292, 5112)]