21242019976

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{977}}^1\times {\mathrm{73453}}^1$

素因数の和:74473

約数の個数: 32

約数和(自身を含む): 40947666840

約数和(自身を除く): 19705646864

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 977, 1954, 3908, 7816, 36149, 72298, 73453, 144596, 146906, 289192, 293812, 587624, 2717761, 5435522, 10871044, 21742088, 71763581, 143527162, 287054324, 574108648, 2655252497, 5310504994, 10621009988, 21242019976]

約数ペア:

[(1, 21242019976), (2, 10621009988), (4, 5310504994), (8, 2655252497), (37, 574108648), (74, 287054324), (148, 143527162), (296, 71763581), (977, 21742088), (1954, 10871044), (3908, 5435522), (7816, 2717761), (36149, 587624), (72298, 293812), (73453, 289192), (144596, 146906)]