21963564

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{12451}}^1$

素因数の和:12475

約数の個数: 54

約数和(自身を含む): 64588524

約数和(自身を除く): 42624960

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764, 12451, 24902, 37353, 49804, 74706, 87157, 112059, 149412, 174314, 224118, 261471, 348628, 448236, 522942, 610099, 784413, 1045884, 1220198, 1568826, 1830297, 2440396, 3137652, 3660594, 5490891, 7321188, 10981782, 21963564]

約数ペア:

[(1, 21963564), (2, 10981782), (3, 7321188), (4, 5490891), (6, 3660594), (7, 3137652), (9, 2440396), (12, 1830297), (14, 1568826), (18, 1220198), (21, 1045884), (28, 784413), (36, 610099), (42, 522942), (49, 448236), (63, 348628), (84, 261471), (98, 224118), (126, 174314), (147, 149412), (196, 112059), (252, 87157), (294, 74706), (441, 49804), (588, 37353), (882, 24902), (1764, 12451)]