21377752

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{877}}^1$

素因数の和:1171

約数の個数: 32

約数和(自身を含む): 43935120

約数和(自身を除く): 22557368

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 277, 554, 877, 1108, 1754, 2216, 3047, 3508, 6094, 7016, 9647, 12188, 19294, 24376, 38588, 77176, 242929, 485858, 971716, 1943432, 2672219, 5344438, 10688876, 21377752]

約数ペア:

[(1, 21377752), (2, 10688876), (4, 5344438), (8, 2672219), (11, 1943432), (22, 971716), (44, 485858), (88, 242929), (277, 77176), (554, 38588), (877, 24376), (1108, 19294), (1754, 12188), (2216, 9647), (3047, 7016), (3508, 6094)]