21281777984

素因数分解:

$2^6\times {\mathrm{9209}}^1\times {\mathrm{36109}}^1$

素因数の和:45330

約数の個数: 28

約数和(自身を含む): 42236783700

約数和(自身を除く): 20955005716

約数列:

[1, 2, 4, 8, 16, 32, 64, 9209, 18418, 36109, 36836, 72218, 73672, 144436, 147344, 288872, 294688, 577744, 589376, 1155488, 2310976, 332527781, 665055562, 1330111124, 2660222248, 5320444496, 10640888992, 21281777984]

約数ペア:

[(1, 21281777984), (2, 10640888992), (4, 5320444496), (8, 2660222248), (16, 1330111124), (32, 665055562), (64, 332527781), (9209, 2310976), (18418, 1155488), (36109, 589376), (36836, 577744), (72218, 294688), (73672, 288872), (144436, 147344)]