21730650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{277}}^1\times {\mathrm{523}}^1$

素因数の和:815

約数の個数: 48

約数和(自身を含む): 54189984

約数和(自身を除く): 32459334

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 277, 523, 554, 831, 1046, 1385, 1569, 1662, 2615, 2770, 3138, 4155, 5230, 6925, 7845, 8310, 13075, 13850, 15690, 20775, 26150, 39225, 41550, 78450, 144871, 289742, 434613, 724355, 869226, 1448710, 2173065, 3621775, 4346130, 7243550, 10865325, 21730650]

約数ペア:

[(1, 21730650), (2, 10865325), (3, 7243550), (5, 4346130), (6, 3621775), (10, 2173065), (15, 1448710), (25, 869226), (30, 724355), (50, 434613), (75, 289742), (150, 144871), (277, 78450), (523, 41550), (554, 39225), (831, 26150), (1046, 20775), (1385, 15690), (1569, 13850), (1662, 13075), (2615, 8310), (2770, 7845), (3138, 6925), (4155, 5230)]