21412468

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3659}}^1$

素因数の和:3700

約数の個数: 48

約数和(自身を含む): 49190400

約数和(自身を除く): 27777932

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 133, 154, 209, 266, 308, 418, 532, 836, 1463, 2926, 3659, 5852, 7318, 14636, 25613, 40249, 51226, 69521, 80498, 102452, 139042, 160996, 278084, 281743, 486647, 563486, 764731, 973294, 1126972, 1529462, 1946588, 3058924, 5353117, 10706234, 21412468]

約数ペア:

[(1, 21412468), (2, 10706234), (4, 5353117), (7, 3058924), (11, 1946588), (14, 1529462), (19, 1126972), (22, 973294), (28, 764731), (38, 563486), (44, 486647), (76, 281743), (77, 278084), (133, 160996), (154, 139042), (209, 102452), (266, 80498), (308, 69521), (418, 51226), (532, 40249), (836, 25613), (1463, 14636), (2926, 7318), (3659, 5852)]