21060996948

素因数分解:

$2^2\times 3^4\times {\mathrm{449}}^1\times {\mathrm{144773}}^1$

素因数の和:145238

約数の個数: 60

約数和(自身を含む): 55180610100

約数和(自身を除く): 34119613152

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 449, 898, 1347, 1796, 2694, 4041, 5388, 8082, 12123, 16164, 24246, 36369, 48492, 72738, 144773, 145476, 289546, 434319, 579092, 868638, 1302957, 1737276, 2605914, 3908871, 5211828, 7817742, 11726613, 15635484, 23453226, 46906452, 65003077, 130006154, 195009231, 260012308, 390018462, 585027693, 780036924, 1170055386, 1755083079, 2340110772, 3510166158, 5265249237, 7020332316, 10530498474, 21060996948]

約数ペア:

[(1, 21060996948), (2, 10530498474), (3, 7020332316), (4, 5265249237), (6, 3510166158), (9, 2340110772), (12, 1755083079), (18, 1170055386), (27, 780036924), (36, 585027693), (54, 390018462), (81, 260012308), (108, 195009231), (162, 130006154), (324, 65003077), (449, 46906452), (898, 23453226), (1347, 15635484), (1796, 11726613), (2694, 7817742), (4041, 5211828), (5388, 3908871), (8082, 2605914), (12123, 1737276), (16164, 1302957), (24246, 868638), (36369, 579092), (48492, 434319), (72738, 289546), (144773, 145476)]