21312296

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{809}}^1$

素因数の和:941

約数の個数: 32

約数和(自身を含む): 41553000

約数和(自身を除く): 20240704

約数列:

[1, 2, 4, 8, 37, 74, 89, 148, 178, 296, 356, 712, 809, 1618, 3236, 3293, 6472, 6586, 13172, 26344, 29933, 59866, 72001, 119732, 144002, 239464, 288004, 576008, 2664037, 5328074, 10656148, 21312296]

約数ペア:

[(1, 21312296), (2, 10656148), (4, 5328074), (8, 2664037), (37, 576008), (74, 288004), (89, 239464), (148, 144002), (178, 119732), (296, 72001), (356, 59866), (712, 29933), (809, 26344), (1618, 13172), (3236, 6586), (3293, 6472)]