21569024

素因数分解:

$2^9\times {\mathrm{103}}^1\times {\mathrm{409}}^1$

素因数の和:530

約数の個数: 40

約数和(自身を含む): 43620720

約数和(自身を除く): 22051696

約数列:

[1, 2, 4, 8, 16, 32, 64, 103, 128, 206, 256, 409, 412, 512, 818, 824, 1636, 1648, 3272, 3296, 6544, 6592, 13088, 13184, 26176, 26368, 42127, 52352, 52736, 84254, 104704, 168508, 209408, 337016, 674032, 1348064, 2696128, 5392256, 10784512, 21569024]

約数ペア:

[(1, 21569024), (2, 10784512), (4, 5392256), (8, 2696128), (16, 1348064), (32, 674032), (64, 337016), (103, 209408), (128, 168508), (206, 104704), (256, 84254), (409, 52736), (412, 52352), (512, 42127), (818, 26368), (824, 26176), (1636, 13184), (1648, 13088), (3272, 6592), (3296, 6544)]