21291363904

素因数分解:

$2^6\times {\mathrm{13127}}^1\times {\mathrm{25343}}^1$

素因数の和:38482

約数の個数: 28

約数和(自身を含む): 42254936064

約数和(自身を除く): 20963572160

約数列:

[1, 2, 4, 8, 16, 32, 64, 13127, 25343, 26254, 50686, 52508, 101372, 105016, 202744, 210032, 405488, 420064, 810976, 840128, 1621952, 332677561, 665355122, 1330710244, 2661420488, 5322840976, 10645681952, 21291363904]

約数ペア:

[(1, 21291363904), (2, 10645681952), (4, 5322840976), (8, 2661420488), (16, 1330710244), (32, 665355122), (64, 332677561), (13127, 1621952), (25343, 840128), (26254, 810976), (50686, 420064), (52508, 405488), (101372, 210032), (105016, 202744)]