21655914

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{1013}}^1$

素因数の和:1534

約数の個数: 32

約数和(自身を含む): 49645440

約数和(自身を除く): 27989526

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 509, 1013, 1018, 1527, 2026, 3039, 3054, 3563, 6078, 7091, 7126, 10689, 14182, 21273, 21378, 42546, 515617, 1031234, 1546851, 3093702, 3609319, 7218638, 10827957, 21655914]

約数ペア:

[(1, 21655914), (2, 10827957), (3, 7218638), (6, 3609319), (7, 3093702), (14, 1546851), (21, 1031234), (42, 515617), (509, 42546), (1013, 21378), (1018, 21273), (1527, 14182), (2026, 10689), (3039, 7126), (3054, 7091), (3563, 6078)]