21989247072

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^2\times {\mathrm{1355353}}^1$

素因数の和:1355392

約数の個数: 72

約数和(自身を含む): 62503505064

約数和(自身を除く): 40514257992

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 169, 208, 312, 338, 416, 507, 624, 676, 1014, 1248, 1352, 2028, 2704, 4056, 5408, 8112, 16224, 1355353, 2710706, 4066059, 5421412, 8132118, 10842824, 16264236, 17619589, 21685648, 32528472, 35239178, 43371296, 52858767, 65056944, 70478356, 105717534, 130113888, 140956712, 211435068, 229054657, 281913424, 422870136, 458109314, 563826848, 687163971, 845740272, 916218628, 1374327942, 1691480544, 1832437256, 2748655884, 3664874512, 5497311768, 7329749024, 10994623536, 21989247072]

約数ペア:

[(1, 21989247072), (2, 10994623536), (3, 7329749024), (4, 5497311768), (6, 3664874512), (8, 2748655884), (12, 1832437256), (13, 1691480544), (16, 1374327942), (24, 916218628), (26, 845740272), (32, 687163971), (39, 563826848), (48, 458109314), (52, 422870136), (78, 281913424), (96, 229054657), (104, 211435068), (156, 140956712), (169, 130113888), (208, 105717534), (312, 70478356), (338, 65056944), (416, 52858767), (507, 43371296), (624, 35239178), (676, 32528472), (1014, 21685648), (1248, 17619589), (1352, 16264236), (2028, 10842824), (2704, 8132118), (4056, 5421412), (5408, 4066059), (8112, 2710706), (16224, 1355353)]