21361710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{373}}^1$

素因数の和:489

約数の個数: 64

約数和(自身を含む): 54286848

約数和(自身を除く): 32925138

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 83, 115, 138, 166, 230, 249, 345, 373, 415, 498, 690, 746, 830, 1119, 1245, 1865, 1909, 2238, 2490, 3730, 3818, 5595, 5727, 8579, 9545, 11190, 11454, 17158, 19090, 25737, 28635, 30959, 42895, 51474, 57270, 61918, 85790, 92877, 128685, 154795, 185754, 257370, 309590, 464385, 712057, 928770, 1424114, 2136171, 3560285, 4272342, 7120570, 10680855, 21361710]

約数ペア:

[(1, 21361710), (2, 10680855), (3, 7120570), (5, 4272342), (6, 3560285), (10, 2136171), (15, 1424114), (23, 928770), (30, 712057), (46, 464385), (69, 309590), (83, 257370), (115, 185754), (138, 154795), (166, 128685), (230, 92877), (249, 85790), (345, 61918), (373, 57270), (415, 51474), (498, 42895), (690, 30959), (746, 28635), (830, 25737), (1119, 19090), (1245, 17158), (1865, 11454), (1909, 11190), (2238, 9545), (2490, 8579), (3730, 5727), (3818, 5595)]