21370291162

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{14731}}^1$

素因数の和:14875

約数の個数: 64

約数和(自身を含む): 37879861248

約数和(自身を除く): 16509570086

約数列:

[1, 2, 11, 22, 23, 46, 47, 61, 94, 122, 253, 506, 517, 671, 1034, 1081, 1342, 1403, 2162, 2806, 2867, 5734, 11891, 14731, 15433, 23782, 29462, 30866, 31537, 63074, 65941, 131882, 162041, 324082, 338813, 677626, 692357, 725351, 898591, 1384714, 1450702, 1797182, 3726943, 7453886, 7615927, 9884501, 15231854, 15924211, 19769002, 20667593, 31848422, 41335186, 42233777, 84467554, 175166321, 227343523, 350332642, 454687046, 464571547, 929143094, 971376871, 1942753742, 10685145581, 21370291162]

約数ペア:

[(1, 21370291162), (2, 10685145581), (11, 1942753742), (22, 971376871), (23, 929143094), (46, 464571547), (47, 454687046), (61, 350332642), (94, 227343523), (122, 175166321), (253, 84467554), (506, 42233777), (517, 41335186), (671, 31848422), (1034, 20667593), (1081, 19769002), (1342, 15924211), (1403, 15231854), (2162, 9884501), (2806, 7615927), (2867, 7453886), (5734, 3726943), (11891, 1797182), (14731, 1450702), (15433, 1384714), (23782, 898591), (29462, 725351), (30866, 692357), (31537, 677626), (63074, 338813), (65941, 324082), (131882, 162041)]