21000901308

素因数分解:

$2^2\times 3^1\times {\mathrm{53993}}^1\times {\mathrm{32413}}^1$

素因数の和:86413

約数の個数: 24

約数和(自身を含む): 49004522448

約数和(自身を除く): 28003621140

約数列:

[1, 2, 3, 4, 6, 12, 32413, 53993, 64826, 97239, 107986, 129652, 161979, 194478, 215972, 323958, 388956, 647916, 1750075109, 3500150218, 5250225327, 7000300436, 10500450654, 21000901308]

約数ペア:

[(1, 21000901308), (2, 10500450654), (3, 7000300436), (4, 5250225327), (6, 3500150218), (12, 1750075109), (32413, 647916), (53993, 388956), (64826, 323958), (97239, 215972), (107986, 194478), (129652, 161979)]