21841120

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19501}}^1$

素因数の和:19523

約数の個数: 48

約数和(自身を含む): 58974048

約数和(自身を除く): 37132928

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 19501, 39002, 78004, 97505, 136507, 156008, 195010, 273014, 312016, 390020, 546028, 624032, 682535, 780040, 1092056, 1365070, 1560080, 2184112, 2730140, 3120160, 4368224, 5460280, 10920560, 21841120]

約数ペア:

[(1, 21841120), (2, 10920560), (4, 5460280), (5, 4368224), (7, 3120160), (8, 2730140), (10, 2184112), (14, 1560080), (16, 1365070), (20, 1092056), (28, 780040), (32, 682535), (35, 624032), (40, 546028), (56, 390020), (70, 312016), (80, 273014), (112, 195010), (140, 156008), (160, 136507), (224, 97505), (280, 78004), (560, 39002), (1120, 19501)]