21443312

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1669}}^1$

素因数の和:1761

約数の個数: 40

約数和(自身を含む): 45971760

約数和(自身を除く): 24528448

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 73, 88, 146, 176, 292, 584, 803, 1168, 1606, 1669, 3212, 3338, 6424, 6676, 12848, 13352, 18359, 26704, 36718, 73436, 121837, 146872, 243674, 293744, 487348, 974696, 1340207, 1949392, 2680414, 5360828, 10721656, 21443312]

約数ペア:

[(1, 21443312), (2, 10721656), (4, 5360828), (8, 2680414), (11, 1949392), (16, 1340207), (22, 974696), (44, 487348), (73, 293744), (88, 243674), (146, 146872), (176, 121837), (292, 73436), (584, 36718), (803, 26704), (1168, 18359), (1606, 13352), (1669, 12848), (3212, 6676), (3338, 6424)]