21993468

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{6089}}^1$

素因数の和:6146

約数の個数: 48

約数和(自身を含む): 60023040

約数和(自身を除く): 38029572

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 84, 86, 129, 172, 258, 301, 516, 602, 903, 1204, 1806, 3612, 6089, 12178, 18267, 24356, 36534, 42623, 73068, 85246, 127869, 170492, 255738, 261827, 511476, 523654, 785481, 1047308, 1570962, 1832789, 3141924, 3665578, 5498367, 7331156, 10996734, 21993468]

約数ペア:

[(1, 21993468), (2, 10996734), (3, 7331156), (4, 5498367), (6, 3665578), (7, 3141924), (12, 1832789), (14, 1570962), (21, 1047308), (28, 785481), (42, 523654), (43, 511476), (84, 261827), (86, 255738), (129, 170492), (172, 127869), (258, 85246), (301, 73068), (516, 42623), (602, 36534), (903, 24356), (1204, 18267), (1806, 12178), (3612, 6089)]