21020090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23099}}^1$

素因数の和:23126

約数の個数: 32

約数和(自身を含む): 46569600

約数和(自身を除く): 25549510

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 23099, 46198, 115495, 161693, 230990, 300287, 323386, 600574, 808465, 1501435, 1616930, 2102009, 3002870, 4204018, 10510045, 21020090]

約数ペア:

[(1, 21020090), (2, 10510045), (5, 4204018), (7, 3002870), (10, 2102009), (13, 1616930), (14, 1501435), (26, 808465), (35, 600574), (65, 323386), (70, 300287), (91, 230990), (130, 161693), (182, 115495), (455, 46198), (910, 23099)]