21163951202

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2621}}^1\times {\mathrm{4481}}^1$

素因数の和:7174

約数の個数: 32

約数和(自身を含む): 34268260464

約数和(自身を除く): 13104309262

約数列:

[1, 2, 17, 34, 53, 106, 901, 1802, 2621, 4481, 5242, 8962, 44557, 76177, 89114, 138913, 152354, 237493, 277826, 474986, 2361521, 4037381, 4723042, 8074762, 11744701, 23489402, 199659917, 399319834, 622469153, 1244938306, 10581975601, 21163951202]

約数ペア:

[(1, 21163951202), (2, 10581975601), (17, 1244938306), (34, 622469153), (53, 399319834), (106, 199659917), (901, 23489402), (1802, 11744701), (2621, 8074762), (4481, 4723042), (5242, 4037381), (8962, 2361521), (44557, 474986), (76177, 277826), (89114, 237493), (138913, 152354)]