21227136

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:226

約数の個数: 128

約数和(自身を含む): 66096000

約数和(自身を除く): 44868864

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 53, 56, 64, 84, 96, 106, 112, 128, 149, 159, 168, 192, 212, 224, 298, 318, 336, 371, 384, 424, 447, 448, 596, 636, 672, 742, 848, 894, 896, 1043, 1113, 1192, 1272, 1344, 1484, 1696, 1788, 2086, 2226, 2384, 2544, 2688, 2968, 3129, 3392, 3576, 4172, 4452, 4768, 5088, 5936, 6258, 6784, 7152, 7897, 8344, 8904, 9536, 10176, 11872, 12516, 14304, 15794, 16688, 17808, 19072, 20352, 23691, 23744, 25032, 28608, 31588, 33376, 35616, 47382, 47488, 50064, 55279, 57216, 63176, 66752, 71232, 94764, 100128, 110558, 126352, 133504, 142464, 165837, 189528, 200256, 221116, 252704, 331674, 379056, 400512, 442232, 505408, 663348, 758112, 884464, 1010816, 1326696, 1516224, 1768928, 2653392, 3032448, 3537856, 5306784, 7075712, 10613568, 21227136]

約数ペア:

[(1, 21227136), (2, 10613568), (3, 7075712), (4, 5306784), (6, 3537856), (7, 3032448), (8, 2653392), (12, 1768928), (14, 1516224), (16, 1326696), (21, 1010816), (24, 884464), (28, 758112), (32, 663348), (42, 505408), (48, 442232), (53, 400512), (56, 379056), (64, 331674), (84, 252704), (96, 221116), (106, 200256), (112, 189528), (128, 165837), (149, 142464), (159, 133504), (168, 126352), (192, 110558), (212, 100128), (224, 94764), (298, 71232), (318, 66752), (336, 63176), (371, 57216), (384, 55279), (424, 50064), (447, 47488), (448, 47382), (596, 35616), (636, 33376), (672, 31588), (742, 28608), (848, 25032), (894, 23744), (896, 23691), (1043, 20352), (1113, 19072), (1192, 17808), (1272, 16688), (1344, 15794), (1484, 14304), (1696, 12516), (1788, 11872), (2086, 10176), (2226, 9536), (2384, 8904), (2544, 8344), (2688, 7897), (2968, 7152), (3129, 6784), (3392, 6258), (3576, 5936), (4172, 5088), (4452, 4768)]