21218976

素因数分解:

$2^5\times 3^3\times {\mathrm{41}}^1\times {\mathrm{599}}^1$

素因数の和:659

約数の個数: 96

約数和(自身を含む): 63504000

約数和(自身を除く): 42285024

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 41, 48, 54, 72, 82, 96, 108, 123, 144, 164, 216, 246, 288, 328, 369, 432, 492, 599, 656, 738, 864, 984, 1107, 1198, 1312, 1476, 1797, 1968, 2214, 2396, 2952, 3594, 3936, 4428, 4792, 5391, 5904, 7188, 8856, 9584, 10782, 11808, 14376, 16173, 17712, 19168, 21564, 24559, 28752, 32346, 35424, 43128, 49118, 57504, 64692, 73677, 86256, 98236, 129384, 147354, 172512, 196472, 221031, 258768, 294708, 392944, 442062, 517536, 589416, 663093, 785888, 884124, 1178832, 1326186, 1768248, 2357664, 2652372, 3536496, 5304744, 7072992, 10609488, 21218976]

約数ペア:

[(1, 21218976), (2, 10609488), (3, 7072992), (4, 5304744), (6, 3536496), (8, 2652372), (9, 2357664), (12, 1768248), (16, 1326186), (18, 1178832), (24, 884124), (27, 785888), (32, 663093), (36, 589416), (41, 517536), (48, 442062), (54, 392944), (72, 294708), (82, 258768), (96, 221031), (108, 196472), (123, 172512), (144, 147354), (164, 129384), (216, 98236), (246, 86256), (288, 73677), (328, 64692), (369, 57504), (432, 49118), (492, 43128), (599, 35424), (656, 32346), (738, 28752), (864, 24559), (984, 21564), (1107, 19168), (1198, 17712), (1312, 16173), (1476, 14376), (1797, 11808), (1968, 10782), (2214, 9584), (2396, 8856), (2952, 7188), (3594, 5904), (3936, 5391), (4428, 4792)]