21093616516

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{161627}}^1$

素因数の和:161776

約数の個数: 48

約数和(自身を含む): 43445606400

約数和(自身を除く): 22351989884

約数列:

[1, 2, 4, 7, 14, 28, 59, 79, 118, 158, 236, 316, 413, 553, 826, 1106, 1652, 2212, 4661, 9322, 18644, 32627, 65254, 130508, 161627, 323254, 646508, 1131389, 2262778, 4525556, 9535993, 12768533, 19071986, 25537066, 38143972, 51074132, 66751951, 89379731, 133503902, 178759462, 267007804, 357518924, 753343447, 1506686894, 3013373788, 5273404129, 10546808258, 21093616516]

約数ペア:

[(1, 21093616516), (2, 10546808258), (4, 5273404129), (7, 3013373788), (14, 1506686894), (28, 753343447), (59, 357518924), (79, 267007804), (118, 178759462), (158, 133503902), (236, 89379731), (316, 66751951), (413, 51074132), (553, 38143972), (826, 25537066), (1106, 19071986), (1652, 12768533), (2212, 9535993), (4661, 4525556), (9322, 2262778), (18644, 1131389), (32627, 646508), (65254, 323254), (130508, 161627)]