21665434

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1031}}^1$

素因数の和:1138

約数の個数: 32

約数和(自身を含む): 39628800

約数和(自身を除く): 17963366

約数列:

[1, 2, 7, 14, 19, 38, 79, 133, 158, 266, 553, 1031, 1106, 1501, 2062, 3002, 7217, 10507, 14434, 19589, 21014, 39178, 81449, 137123, 162898, 274246, 570143, 1140286, 1547531, 3095062, 10832717, 21665434]

約数ペア:

[(1, 21665434), (2, 10832717), (7, 3095062), (14, 1547531), (19, 1140286), (38, 570143), (79, 274246), (133, 162898), (158, 137123), (266, 81449), (553, 39178), (1031, 21014), (1106, 19589), (1501, 14434), (2062, 10507), (3002, 7217)]