21420288

素因数分解:

$2^8\times 3^4\times {\mathrm{1033}}^1$

素因数の和:1061

約数の個数: 90

約数和(自身を含む): 63933254

約数和(自身を除く): 42512966

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 256, 288, 324, 384, 432, 576, 648, 768, 864, 1033, 1152, 1296, 1728, 2066, 2304, 2592, 3099, 3456, 4132, 5184, 6198, 6912, 8264, 9297, 10368, 12396, 16528, 18594, 20736, 24792, 27891, 33056, 37188, 49584, 55782, 66112, 74376, 83673, 99168, 111564, 132224, 148752, 167346, 198336, 223128, 264448, 297504, 334692, 396672, 446256, 595008, 669384, 793344, 892512, 1190016, 1338768, 1785024, 2380032, 2677536, 3570048, 5355072, 7140096, 10710144, 21420288]

約数ペア:

[(1, 21420288), (2, 10710144), (3, 7140096), (4, 5355072), (6, 3570048), (8, 2677536), (9, 2380032), (12, 1785024), (16, 1338768), (18, 1190016), (24, 892512), (27, 793344), (32, 669384), (36, 595008), (48, 446256), (54, 396672), (64, 334692), (72, 297504), (81, 264448), (96, 223128), (108, 198336), (128, 167346), (144, 148752), (162, 132224), (192, 111564), (216, 99168), (256, 83673), (288, 74376), (324, 66112), (384, 55782), (432, 49584), (576, 37188), (648, 33056), (768, 27891), (864, 24792), (1033, 20736), (1152, 18594), (1296, 16528), (1728, 12396), (2066, 10368), (2304, 9297), (2592, 8264), (3099, 6912), (3456, 6198), (4132, 5184)]