21783848

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{619}}^1$

素因数の和:761

約数の個数: 32

約数和(自身を含む): 42184800

約数和(自身を除く): 20400952

約数列:

[1, 2, 4, 8, 53, 83, 106, 166, 212, 332, 424, 619, 664, 1238, 2476, 4399, 4952, 8798, 17596, 32807, 35192, 51377, 65614, 102754, 131228, 205508, 262456, 411016, 2722981, 5445962, 10891924, 21783848]

約数ペア:

[(1, 21783848), (2, 10891924), (4, 5445962), (8, 2722981), (53, 411016), (83, 262456), (106, 205508), (166, 131228), (212, 102754), (332, 65614), (424, 51377), (619, 35192), (664, 32807), (1238, 17596), (2476, 8798), (4399, 4952)]