21070088

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10663}}^1$

素因数の和:10701

約数の個数: 32

約数和(自身を含む): 44788800

約数和(自身を除く): 23718712

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 10663, 21326, 42652, 85304, 138619, 202597, 277238, 405194, 554476, 810388, 1108952, 1620776, 2633761, 5267522, 10535044, 21070088]

約数ペア:

[(1, 21070088), (2, 10535044), (4, 5267522), (8, 2633761), (13, 1620776), (19, 1108952), (26, 810388), (38, 554476), (52, 405194), (76, 277238), (104, 202597), (152, 138619), (247, 85304), (494, 42652), (988, 21326), (1976, 10663)]