21861888

素因数分解:

$2^9\times 3^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1$

素因数の和:395

約数の個数: 80

約数和(自身を含む): 59775936

約数和(自身を除く): 37914048

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 43, 48, 64, 86, 96, 128, 129, 172, 192, 256, 258, 331, 344, 384, 512, 516, 662, 688, 768, 993, 1032, 1324, 1376, 1536, 1986, 2064, 2648, 2752, 3972, 4128, 5296, 5504, 7944, 8256, 10592, 11008, 14233, 15888, 16512, 21184, 22016, 28466, 31776, 33024, 42368, 42699, 56932, 63552, 66048, 84736, 85398, 113864, 127104, 169472, 170796, 227728, 254208, 341592, 455456, 508416, 683184, 910912, 1366368, 1821824, 2732736, 3643648, 5465472, 7287296, 10930944, 21861888]

約数ペア:

[(1, 21861888), (2, 10930944), (3, 7287296), (4, 5465472), (6, 3643648), (8, 2732736), (12, 1821824), (16, 1366368), (24, 910912), (32, 683184), (43, 508416), (48, 455456), (64, 341592), (86, 254208), (96, 227728), (128, 170796), (129, 169472), (172, 127104), (192, 113864), (256, 85398), (258, 84736), (331, 66048), (344, 63552), (384, 56932), (512, 42699), (516, 42368), (662, 33024), (688, 31776), (768, 28466), (993, 22016), (1032, 21184), (1324, 16512), (1376, 15888), (1536, 14233), (1986, 11008), (2064, 10592), (2648, 8256), (2752, 7944), (3972, 5504), (4128, 5296)]