21751392

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{601}}^1$

素因数の和:656

約数の個数: 96

約数和(自身を含む): 63715680

約数和(自身を除く): 41964288

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 29, 32, 39, 48, 52, 58, 78, 87, 96, 104, 116, 156, 174, 208, 232, 312, 348, 377, 416, 464, 601, 624, 696, 754, 928, 1131, 1202, 1248, 1392, 1508, 1803, 2262, 2404, 2784, 3016, 3606, 4524, 4808, 6032, 7212, 7813, 9048, 9616, 12064, 14424, 15626, 17429, 18096, 19232, 23439, 28848, 31252, 34858, 36192, 46878, 52287, 57696, 62504, 69716, 93756, 104574, 125008, 139432, 187512, 209148, 226577, 250016, 278864, 375024, 418296, 453154, 557728, 679731, 750048, 836592, 906308, 1359462, 1673184, 1812616, 2718924, 3625232, 5437848, 7250464, 10875696, 21751392]

約数ペア:

[(1, 21751392), (2, 10875696), (3, 7250464), (4, 5437848), (6, 3625232), (8, 2718924), (12, 1812616), (13, 1673184), (16, 1359462), (24, 906308), (26, 836592), (29, 750048), (32, 679731), (39, 557728), (48, 453154), (52, 418296), (58, 375024), (78, 278864), (87, 250016), (96, 226577), (104, 209148), (116, 187512), (156, 139432), (174, 125008), (208, 104574), (232, 93756), (312, 69716), (348, 62504), (377, 57696), (416, 52287), (464, 46878), (601, 36192), (624, 34858), (696, 31252), (754, 28848), (928, 23439), (1131, 19232), (1202, 18096), (1248, 17429), (1392, 15626), (1508, 14424), (1803, 12064), (2262, 9616), (2404, 9048), (2784, 7813), (3016, 7212), (3606, 6032), (4524, 4808)]