21346304

素因数分解:

$2^{11}\times 7^1\times {\mathrm{1489}}^1$

素因数の和:1518

約数の個数: 48

約数和(自身を含む): 48812400

約数和(自身を除く): 27466096

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1024, 1489, 1792, 2048, 2978, 3584, 5956, 7168, 10423, 11912, 14336, 20846, 23824, 41692, 47648, 83384, 95296, 166768, 190592, 333536, 381184, 667072, 762368, 1334144, 1524736, 2668288, 3049472, 5336576, 10673152, 21346304]

約数ペア:

[(1, 21346304), (2, 10673152), (4, 5336576), (7, 3049472), (8, 2668288), (14, 1524736), (16, 1334144), (28, 762368), (32, 667072), (56, 381184), (64, 333536), (112, 190592), (128, 166768), (224, 95296), (256, 83384), (448, 47648), (512, 41692), (896, 23824), (1024, 20846), (1489, 14336), (1792, 11912), (2048, 10423), (2978, 7168), (3584, 5956)]