21684797728

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{661}}^1\times {\mathrm{93199}}^1$

素因数の和:93881

約数の個数: 48

約数和(自身を含む): 46643990400

約数和(自身を除く): 24959192672

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 352, 661, 1322, 2644, 5288, 7271, 10576, 14542, 21152, 29084, 58168, 93199, 116336, 186398, 232672, 372796, 745592, 1025189, 1491184, 2050378, 2982368, 4100756, 8201512, 16403024, 32806048, 61604539, 123209078, 246418156, 492836312, 677649929, 985672624, 1355299858, 1971345248, 2710599716, 5421199432, 10842398864, 21684797728]

約数ペア:

[(1, 21684797728), (2, 10842398864), (4, 5421199432), (8, 2710599716), (11, 1971345248), (16, 1355299858), (22, 985672624), (32, 677649929), (44, 492836312), (88, 246418156), (176, 123209078), (352, 61604539), (661, 32806048), (1322, 16403024), (2644, 8201512), (5288, 4100756), (7271, 2982368), (10576, 2050378), (14542, 1491184), (21152, 1025189), (29084, 745592), (58168, 372796), (93199, 232672), (116336, 186398)]