21703864

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{4259}}^1$

素因数の和:4292

約数の個数: 48

約数和(自身を含む): 50992200

約数和(自身を除く): 29288336

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 56, 91, 98, 104, 182, 196, 364, 392, 637, 728, 1274, 2548, 4259, 5096, 8518, 17036, 29813, 34072, 55367, 59626, 110734, 119252, 208691, 221468, 238504, 387569, 417382, 442936, 775138, 834764, 1550276, 1669528, 2712983, 3100552, 5425966, 10851932, 21703864]

約数ペア:

[(1, 21703864), (2, 10851932), (4, 5425966), (7, 3100552), (8, 2712983), (13, 1669528), (14, 1550276), (26, 834764), (28, 775138), (49, 442936), (52, 417382), (56, 387569), (91, 238504), (98, 221468), (104, 208691), (182, 119252), (196, 110734), (364, 59626), (392, 55367), (637, 34072), (728, 29813), (1274, 17036), (2548, 8518), (4259, 5096)]