21796533

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1439}}^1$

素因数の和:1479

約数の個数: 40

約数和(自身を含む): 37635840

約数和(自身を除く): 15839307

約数列:

[1, 3, 9, 11, 17, 27, 33, 51, 81, 99, 153, 187, 297, 459, 561, 891, 1377, 1439, 1683, 4317, 5049, 12951, 15147, 15829, 24463, 38853, 47487, 73389, 116559, 142461, 220167, 269093, 427383, 660501, 807279, 1282149, 1981503, 2421837, 7265511, 21796533]

約数ペア:

[(1, 21796533), (3, 7265511), (9, 2421837), (11, 1981503), (17, 1282149), (27, 807279), (33, 660501), (51, 427383), (81, 269093), (99, 220167), (153, 142461), (187, 116559), (297, 73389), (459, 47487), (561, 38853), (891, 24463), (1377, 15829), (1439, 15147), (1683, 12951), (4317, 5049)]