21803056

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1697}}^1$

素因数の和:1789

約数の個数: 40

約数和(自身を含む): 46742544

約数和(自身を除く): 24939488

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 73, 88, 146, 176, 292, 584, 803, 1168, 1606, 1697, 3212, 3394, 6424, 6788, 12848, 13576, 18667, 27152, 37334, 74668, 123881, 149336, 247762, 298672, 495524, 991048, 1362691, 1982096, 2725382, 5450764, 10901528, 21803056]

約数ペア:

[(1, 21803056), (2, 10901528), (4, 5450764), (8, 2725382), (11, 1982096), (16, 1362691), (22, 991048), (44, 495524), (73, 298672), (88, 247762), (146, 149336), (176, 123881), (292, 74668), (584, 37334), (803, 27152), (1168, 18667), (1606, 13576), (1697, 12848), (3212, 6788), (3394, 6424)]