21138032152

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{8180353}}^1$

素因数の和:8180395

約数の個数: 32

約数和(自身を含む): 44173911600

約数和(自身を除く): 23035879448

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 323, 646, 1292, 2584, 8180353, 16360706, 32721412, 65442824, 139066001, 155426707, 278132002, 310853414, 556264004, 621706828, 1112528008, 1243413656, 2642254019, 5284508038, 10569016076, 21138032152]

約数ペア:

[(1, 21138032152), (2, 10569016076), (4, 5284508038), (8, 2642254019), (17, 1243413656), (19, 1112528008), (34, 621706828), (38, 556264004), (68, 310853414), (76, 278132002), (136, 155426707), (152, 139066001), (323, 65442824), (646, 32721412), (1292, 16360706), (2584, 8180353)]