21798016

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{8963}}^1$

素因数の和:8996

約数の個数: 32

約数和(自身を含む): 45716400

約数和(自身を除く): 23918384

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 304, 608, 1216, 2432, 8963, 17926, 35852, 71704, 143408, 170297, 286816, 340594, 573632, 681188, 1147264, 1362376, 2724752, 5449504, 10899008, 21798016]

約数ペア:

[(1, 21798016), (2, 10899008), (4, 5449504), (8, 2724752), (16, 1362376), (19, 1147264), (32, 681188), (38, 573632), (64, 340594), (76, 286816), (128, 170297), (152, 143408), (304, 71704), (608, 35852), (1216, 17926), (2432, 8963)]