21087752

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^2\times {\mathrm{1303}}^1$

素因数の和:1350

約数の個数: 48

約数和(自身を含む): 48039360

約数和(自身を除く): 26951608

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 289, 476, 578, 952, 1156, 1303, 2023, 2312, 2606, 4046, 5212, 8092, 9121, 10424, 16184, 18242, 22151, 36484, 44302, 72968, 88604, 155057, 177208, 310114, 376567, 620228, 753134, 1240456, 1506268, 2635969, 3012536, 5271938, 10543876, 21087752]

約数ペア:

[(1, 21087752), (2, 10543876), (4, 5271938), (7, 3012536), (8, 2635969), (14, 1506268), (17, 1240456), (28, 753134), (34, 620228), (56, 376567), (68, 310114), (119, 177208), (136, 155057), (238, 88604), (289, 72968), (476, 44302), (578, 36484), (952, 22151), (1156, 18242), (1303, 16184), (2023, 10424), (2312, 9121), (2606, 8092), (4046, 5212)]