21620460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{15667}}^1$

素因数の和:15702

約数の個数: 48

約数和(自身を含む): 63173376

約数和(自身を除く): 41552916

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 15667, 31334, 47001, 62668, 78335, 94002, 156670, 188004, 235005, 313340, 360341, 470010, 720682, 940020, 1081023, 1441364, 1801705, 2162046, 3603410, 4324092, 5405115, 7206820, 10810230, 21620460]

約数ペア:

[(1, 21620460), (2, 10810230), (3, 7206820), (4, 5405115), (5, 4324092), (6, 3603410), (10, 2162046), (12, 1801705), (15, 1441364), (20, 1081023), (23, 940020), (30, 720682), (46, 470010), (60, 360341), (69, 313340), (92, 235005), (115, 188004), (138, 156670), (230, 94002), (276, 78335), (345, 62668), (460, 47001), (690, 31334), (1380, 15667)]