21936468

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{541}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 53419520

約数和(自身を除く): 31483052

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 109, 124, 186, 218, 327, 372, 436, 541, 654, 1082, 1308, 1623, 2164, 3246, 3379, 6492, 6758, 10137, 13516, 16771, 20274, 33542, 40548, 50313, 58969, 67084, 100626, 117938, 176907, 201252, 235876, 353814, 707628, 1828039, 3656078, 5484117, 7312156, 10968234, 21936468]

約数ペア:

[(1, 21936468), (2, 10968234), (3, 7312156), (4, 5484117), (6, 3656078), (12, 1828039), (31, 707628), (62, 353814), (93, 235876), (109, 201252), (124, 176907), (186, 117938), (218, 100626), (327, 67084), (372, 58969), (436, 50313), (541, 40548), (654, 33542), (1082, 20274), (1308, 16771), (1623, 13516), (2164, 10137), (3246, 6758), (3379, 6492)]