21969984

素因数分解:

$2^6\times 3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:212

約数の個数: 112

約数和(自身を含む): 63203328

約数和(自身を除く): 41233344

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 53, 64, 68, 96, 102, 106, 127, 136, 159, 192, 204, 212, 254, 272, 318, 381, 408, 424, 508, 544, 636, 762, 816, 848, 901, 1016, 1088, 1272, 1524, 1632, 1696, 1802, 2032, 2159, 2544, 2703, 3048, 3264, 3392, 3604, 4064, 4318, 5088, 5406, 6096, 6477, 6731, 7208, 8128, 8636, 10176, 10812, 12192, 12954, 13462, 14416, 17272, 20193, 21624, 24384, 25908, 26924, 28832, 34544, 40386, 43248, 51816, 53848, 57664, 69088, 80772, 86496, 103632, 107696, 114427, 138176, 161544, 172992, 207264, 215392, 228854, 323088, 343281, 414528, 430784, 457708, 646176, 686562, 915416, 1292352, 1373124, 1830832, 2746248, 3661664, 5492496, 7323328, 10984992, 21969984]

約数ペア:

[(1, 21969984), (2, 10984992), (3, 7323328), (4, 5492496), (6, 3661664), (8, 2746248), (12, 1830832), (16, 1373124), (17, 1292352), (24, 915416), (32, 686562), (34, 646176), (48, 457708), (51, 430784), (53, 414528), (64, 343281), (68, 323088), (96, 228854), (102, 215392), (106, 207264), (127, 172992), (136, 161544), (159, 138176), (192, 114427), (204, 107696), (212, 103632), (254, 86496), (272, 80772), (318, 69088), (381, 57664), (408, 53848), (424, 51816), (508, 43248), (544, 40386), (636, 34544), (762, 28832), (816, 26924), (848, 25908), (901, 24384), (1016, 21624), (1088, 20193), (1272, 17272), (1524, 14416), (1632, 13462), (1696, 12954), (1802, 12192), (2032, 10812), (2159, 10176), (2544, 8636), (2703, 8128), (3048, 7208), (3264, 6731), (3392, 6477), (3604, 6096), (4064, 5406), (4318, 5088)]