21612536

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{83}}^1\times {\mathrm{269}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 45246600

約数和(自身を除く): 23634064

約数列:

[1, 2, 4, 8, 11, 22, 44, 83, 88, 121, 166, 242, 269, 332, 484, 538, 664, 913, 968, 1076, 1826, 2152, 2959, 3652, 5918, 7304, 10043, 11836, 20086, 22327, 23672, 32549, 40172, 44654, 65098, 80344, 89308, 130196, 178616, 245597, 260392, 491194, 982388, 1964776, 2701567, 5403134, 10806268, 21612536]

約数ペア:

[(1, 21612536), (2, 10806268), (4, 5403134), (8, 2701567), (11, 1964776), (22, 982388), (44, 491194), (83, 260392), (88, 245597), (121, 178616), (166, 130196), (242, 89308), (269, 80344), (332, 65098), (484, 44654), (538, 40172), (664, 32549), (913, 23672), (968, 22327), (1076, 20086), (1826, 11836), (2152, 10043), (2959, 7304), (3652, 5918)]