21014745104

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1031753}}^1$

素因数の和:1031847

約数の個数: 40

約数和(自身を含む): 43498748640

約数和(自身を除く): 22484003536

約数列:

[1, 2, 4, 8, 16, 19, 38, 67, 76, 134, 152, 268, 304, 536, 1072, 1273, 2546, 5092, 10184, 20368, 1031753, 2063506, 4127012, 8254024, 16508048, 19603307, 39206614, 69127451, 78413228, 138254902, 156826456, 276509804, 313652912, 553019608, 1106039216, 1313421569, 2626843138, 5253686276, 10507372552, 21014745104]

約数ペア:

[(1, 21014745104), (2, 10507372552), (4, 5253686276), (8, 2626843138), (16, 1313421569), (19, 1106039216), (38, 553019608), (67, 313652912), (76, 276509804), (134, 156826456), (152, 138254902), (268, 78413228), (304, 69127451), (536, 39206614), (1072, 19603307), (1273, 16508048), (2546, 8254024), (5092, 4127012), (10184, 2063506), (20368, 1031753)]