21188352

素因数分解:

$2^8\times 3^1\times {\mathrm{47}}^1\times {\mathrm{587}}^1$

素因数の和:653

約数の個数: 72

約数和(自身を含む): 57689856

約数和(自身を除く): 36501504

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 47, 48, 64, 94, 96, 128, 141, 188, 192, 256, 282, 376, 384, 564, 587, 752, 768, 1128, 1174, 1504, 1761, 2256, 2348, 3008, 3522, 4512, 4696, 6016, 7044, 9024, 9392, 12032, 14088, 18048, 18784, 27589, 28176, 36096, 37568, 55178, 56352, 75136, 82767, 110356, 112704, 150272, 165534, 220712, 225408, 331068, 441424, 450816, 662136, 882848, 1324272, 1765696, 2648544, 3531392, 5297088, 7062784, 10594176, 21188352]

約数ペア:

[(1, 21188352), (2, 10594176), (3, 7062784), (4, 5297088), (6, 3531392), (8, 2648544), (12, 1765696), (16, 1324272), (24, 882848), (32, 662136), (47, 450816), (48, 441424), (64, 331068), (94, 225408), (96, 220712), (128, 165534), (141, 150272), (188, 112704), (192, 110356), (256, 82767), (282, 75136), (376, 56352), (384, 55178), (564, 37568), (587, 36096), (752, 28176), (768, 27589), (1128, 18784), (1174, 18048), (1504, 14088), (1761, 12032), (2256, 9392), (2348, 9024), (3008, 7044), (3522, 6016), (4512, 4696)]