21349680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8087}}^1$

素因数の和:8114

約数の個数: 80

約数和(自身を含む): 72209664

約数和(自身を除く): 50859984

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 8087, 16174, 24261, 32348, 40435, 48522, 64696, 80870, 88957, 97044, 121305, 129392, 161740, 177914, 194088, 242610, 266871, 323480, 355828, 388176, 444785, 485220, 533742, 646960, 711656, 889570, 970440, 1067484, 1334355, 1423312, 1779140, 1940880, 2134968, 2668710, 3558280, 4269936, 5337420, 7116560, 10674840, 21349680]

約数ペア:

[(1, 21349680), (2, 10674840), (3, 7116560), (4, 5337420), (5, 4269936), (6, 3558280), (8, 2668710), (10, 2134968), (11, 1940880), (12, 1779140), (15, 1423312), (16, 1334355), (20, 1067484), (22, 970440), (24, 889570), (30, 711656), (33, 646960), (40, 533742), (44, 485220), (48, 444785), (55, 388176), (60, 355828), (66, 323480), (80, 266871), (88, 242610), (110, 194088), (120, 177914), (132, 161740), (165, 129392), (176, 121305), (220, 97044), (240, 88957), (264, 80870), (330, 64696), (440, 48522), (528, 40435), (660, 32348), (880, 24261), (1320, 16174), (2640, 8087)]