21539820597

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{1249}}^1\times {\mathrm{2293}}^1$

素因数の和:3677

約数の個数: 32

約数和(自身を含む): 30280800000

約数和(自身を除く): 8740979403

約数列:

[1, 3, 23, 69, 109, 327, 1249, 2293, 2507, 3747, 6879, 7521, 28727, 52739, 86181, 136141, 158217, 249937, 408423, 749811, 2863957, 3131243, 5748551, 8591871, 9393729, 17245653, 65871011, 197613033, 312171313, 936513939, 7179940199, 21539820597]

約数ペア:

[(1, 21539820597), (3, 7179940199), (23, 936513939), (69, 312171313), (109, 197613033), (327, 65871011), (1249, 17245653), (2293, 9393729), (2507, 8591871), (3747, 5748551), (6879, 3131243), (7521, 2863957), (28727, 749811), (52739, 408423), (86181, 249937), (136141, 158217)]