21000384

素因数分解:

$2^6\times 3^4\times {\mathrm{4051}}^1$

素因数の和:4075

約数の個数: 70

約数和(自身を含む): 62267084

約数和(自身を除く): 41266700

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 144, 162, 192, 216, 288, 324, 432, 576, 648, 864, 1296, 1728, 2592, 4051, 5184, 8102, 12153, 16204, 24306, 32408, 36459, 48612, 64816, 72918, 97224, 109377, 129632, 145836, 194448, 218754, 259264, 291672, 328131, 388896, 437508, 583344, 656262, 777792, 875016, 1166688, 1312524, 1750032, 2333376, 2625048, 3500064, 5250096, 7000128, 10500192, 21000384]

約数ペア:

[(1, 21000384), (2, 10500192), (3, 7000128), (4, 5250096), (6, 3500064), (8, 2625048), (9, 2333376), (12, 1750032), (16, 1312524), (18, 1166688), (24, 875016), (27, 777792), (32, 656262), (36, 583344), (48, 437508), (54, 388896), (64, 328131), (72, 291672), (81, 259264), (96, 218754), (108, 194448), (144, 145836), (162, 129632), (192, 109377), (216, 97224), (288, 72918), (324, 64816), (432, 48612), (576, 36459), (648, 32408), (864, 24306), (1296, 16204), (1728, 12153), (2592, 8102), (4051, 5184)]