21642752

素因数分解:

$2^9\times {\mathrm{41}}^1\times {\mathrm{1031}}^1$

素因数の和:1090

約数の個数: 40

約数和(自身を含む): 44340912

約数和(自身を除く): 22698160

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 128, 164, 256, 328, 512, 656, 1031, 1312, 2062, 2624, 4124, 5248, 8248, 10496, 16496, 20992, 32992, 42271, 65984, 84542, 131968, 169084, 263936, 338168, 527872, 676336, 1352672, 2705344, 5410688, 10821376, 21642752]

約数ペア:

[(1, 21642752), (2, 10821376), (4, 5410688), (8, 2705344), (16, 1352672), (32, 676336), (41, 527872), (64, 338168), (82, 263936), (128, 169084), (164, 131968), (256, 84542), (328, 65984), (512, 42271), (656, 32992), (1031, 20992), (1312, 16496), (2062, 10496), (2624, 8248), (4124, 5248)]