21365904

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{63589}}^1$

素因数の和:63607

約数の個数: 40

約数和(自身を含む): 63081280

約数和(自身を除く): 41715376

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 63589, 127178, 190767, 254356, 381534, 445123, 508712, 763068, 890246, 1017424, 1335369, 1526136, 1780492, 2670738, 3052272, 3560984, 5341476, 7121968, 10682952, 21365904]

約数ペア:

[(1, 21365904), (2, 10682952), (3, 7121968), (4, 5341476), (6, 3560984), (7, 3052272), (8, 2670738), (12, 1780492), (14, 1526136), (16, 1335369), (21, 1017424), (24, 890246), (28, 763068), (42, 508712), (48, 445123), (56, 381534), (84, 254356), (112, 190767), (168, 127178), (336, 63589)]