21225512

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{34457}}^1$

素因数の和:34481

約数の個数: 32

約数和(自身を含む): 49619520

約数和(自身を除く): 28394008

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 34457, 68914, 137828, 241199, 275656, 379027, 482398, 758054, 964796, 1516108, 1929592, 2653189, 3032216, 5306378, 10612756, 21225512]

約数ペア:

[(1, 21225512), (2, 10612756), (4, 5306378), (7, 3032216), (8, 2653189), (11, 1929592), (14, 1516108), (22, 964796), (28, 758054), (44, 482398), (56, 379027), (77, 275656), (88, 241199), (154, 137828), (308, 68914), (616, 34457)]