21996604

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{239}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 46771200

約数和(自身を除く): 24774596

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 173, 239, 266, 346, 478, 532, 692, 956, 1211, 1673, 2422, 3287, 3346, 4541, 4844, 6574, 6692, 9082, 13148, 18164, 23009, 31787, 41347, 46018, 63574, 82694, 92036, 127148, 165388, 289429, 578858, 785593, 1157716, 1571186, 3142372, 5499151, 10998302, 21996604]

約数ペア:

[(1, 21996604), (2, 10998302), (4, 5499151), (7, 3142372), (14, 1571186), (19, 1157716), (28, 785593), (38, 578858), (76, 289429), (133, 165388), (173, 127148), (239, 92036), (266, 82694), (346, 63574), (478, 46018), (532, 41347), (692, 31787), (956, 23009), (1211, 18164), (1673, 13148), (2422, 9082), (3287, 6692), (3346, 6574), (4541, 4844)]