21630348

素因数分解:

$2^2\times 3^3\times {\mathrm{37}}^1\times {\mathrm{5413}}^1$

素因数の和:5463

約数の個数: 48

約数和(自身を含む): 57604960

約数和(自身を除く): 35974612

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 54, 74, 108, 111, 148, 222, 333, 444, 666, 999, 1332, 1998, 3996, 5413, 10826, 16239, 21652, 32478, 48717, 64956, 97434, 146151, 194868, 200281, 292302, 400562, 584604, 600843, 801124, 1201686, 1802529, 2403372, 3605058, 5407587, 7210116, 10815174, 21630348]

約数ペア:

[(1, 21630348), (2, 10815174), (3, 7210116), (4, 5407587), (6, 3605058), (9, 2403372), (12, 1802529), (18, 1201686), (27, 801124), (36, 600843), (37, 584604), (54, 400562), (74, 292302), (108, 200281), (111, 194868), (148, 146151), (222, 97434), (333, 64956), (444, 48717), (666, 32478), (999, 21652), (1332, 16239), (1998, 10826), (3996, 5413)]