21918104

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2887}}^1$

素因数の和:2979

約数の個数: 32

約数和(自身を含む): 44879520

約数和(自身を除く): 22961416

約数列:

[1, 2, 4, 8, 13, 26, 52, 73, 104, 146, 292, 584, 949, 1898, 2887, 3796, 5774, 7592, 11548, 23096, 37531, 75062, 150124, 210751, 300248, 421502, 843004, 1686008, 2739763, 5479526, 10959052, 21918104]

約数ペア:

[(1, 21918104), (2, 10959052), (4, 5479526), (8, 2739763), (13, 1686008), (26, 843004), (52, 421502), (73, 300248), (104, 210751), (146, 150124), (292, 75062), (584, 37531), (949, 23096), (1898, 11548), (2887, 7592), (3796, 5774)]