21200652

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:220

約数の個数: 108

約数和(自身を含む): 61192768

約数和(自身を除く): 39992116

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 31, 33, 36, 44, 62, 66, 93, 99, 121, 124, 132, 157, 186, 198, 242, 279, 314, 341, 363, 372, 396, 471, 484, 558, 628, 682, 726, 942, 1023, 1089, 1116, 1364, 1413, 1452, 1727, 1884, 2046, 2178, 2826, 3069, 3454, 3751, 4092, 4356, 4867, 5181, 5652, 6138, 6908, 7502, 9734, 10362, 11253, 12276, 14601, 15004, 15543, 18997, 19468, 20724, 22506, 29202, 31086, 33759, 37994, 43803, 45012, 53537, 56991, 58404, 62172, 67518, 75988, 87606, 107074, 113982, 135036, 160611, 170973, 175212, 214148, 227964, 321222, 341946, 481833, 588907, 642444, 683892, 963666, 1177814, 1766721, 1927332, 2355628, 3533442, 5300163, 7066884, 10600326, 21200652]

約数ペア:

[(1, 21200652), (2, 10600326), (3, 7066884), (4, 5300163), (6, 3533442), (9, 2355628), (11, 1927332), (12, 1766721), (18, 1177814), (22, 963666), (31, 683892), (33, 642444), (36, 588907), (44, 481833), (62, 341946), (66, 321222), (93, 227964), (99, 214148), (121, 175212), (124, 170973), (132, 160611), (157, 135036), (186, 113982), (198, 107074), (242, 87606), (279, 75988), (314, 67518), (341, 62172), (363, 58404), (372, 56991), (396, 53537), (471, 45012), (484, 43803), (558, 37994), (628, 33759), (682, 31086), (726, 29202), (942, 22506), (1023, 20724), (1089, 19468), (1116, 18997), (1364, 15543), (1413, 15004), (1452, 14601), (1727, 12276), (1884, 11253), (2046, 10362), (2178, 9734), (2826, 7502), (3069, 6908), (3454, 6138), (3751, 5652), (4092, 5181), (4356, 4867)]