21950396

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{1709}}^1$

素因数の和:1758

約数の個数: 36

約数和(自身を含む): 43810200

約数和(自身を除く): 21859804

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 169, 247, 338, 494, 676, 988, 1709, 3211, 3418, 6422, 6836, 12844, 22217, 32471, 44434, 64942, 88868, 129884, 288821, 422123, 577642, 844246, 1155284, 1688492, 5487599, 10975198, 21950396]

約数ペア:

[(1, 21950396), (2, 10975198), (4, 5487599), (13, 1688492), (19, 1155284), (26, 844246), (38, 577642), (52, 422123), (76, 288821), (169, 129884), (247, 88868), (338, 64942), (494, 44434), (676, 32471), (988, 22217), (1709, 12844), (3211, 6836), (3418, 6422)]