21186680

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{23029}}^1$

素因数の和:23063

約数の個数: 32

約数和(自身を含む): 49744800

約数和(自身を除く): 28558120

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 23029, 46058, 92116, 115145, 184232, 230290, 460580, 529667, 921160, 1059334, 2118668, 2648335, 4237336, 5296670, 10593340, 21186680]

約数ペア:

[(1, 21186680), (2, 10593340), (4, 5296670), (5, 4237336), (8, 2648335), (10, 2118668), (20, 1059334), (23, 921160), (40, 529667), (46, 460580), (92, 230290), (115, 184232), (184, 115145), (230, 92116), (460, 46058), (920, 23029)]