21233212

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5303}}^1$

素因数の和:5338

約数の個数: 48

約数和(自身を含む): 49900032

約数和(自身を除く): 28666820

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 5303, 10606, 21212, 37121, 58333, 68939, 74242, 116666, 137878, 148484, 233332, 275756, 408331, 482573, 758329, 816662, 965146, 1516658, 1633324, 1930292, 3033316, 5308303, 10616606, 21233212]

約数ペア:

[(1, 21233212), (2, 10616606), (4, 5308303), (7, 3033316), (11, 1930292), (13, 1633324), (14, 1516658), (22, 965146), (26, 816662), (28, 758329), (44, 482573), (52, 408331), (77, 275756), (91, 233332), (143, 148484), (154, 137878), (182, 116666), (286, 74242), (308, 68939), (364, 58333), (572, 37121), (1001, 21212), (2002, 10606), (4004, 5303)]