21416996888

素因数分解:

$2^3\times 7^1\times {\mathrm{3037}}^1\times {\mathrm{125929}}^1$

素因数の和:128979

約数の個数: 32

約数和(自身を含む): 45909040800

約数和(自身を除く): 24492043912

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 3037, 6074, 12148, 21259, 24296, 42518, 85036, 125929, 170072, 251858, 503716, 881503, 1007432, 1763006, 3526012, 7052024, 382446373, 764892746, 1529785492, 2677124611, 3059570984, 5354249222, 10708498444, 21416996888]

約数ペア:

[(1, 21416996888), (2, 10708498444), (4, 5354249222), (7, 3059570984), (8, 2677124611), (14, 1529785492), (28, 764892746), (56, 382446373), (3037, 7052024), (6074, 3526012), (12148, 1763006), (21259, 1007432), (24296, 881503), (42518, 503716), (85036, 251858), (125929, 170072)]