21167994788

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{293}}^1\times {\mathrm{17417}}^1$

素因数の和:17792

約数の個数: 48

約数和(自身を含む): 40004408304

約数和(自身を除く): 18836413516

約数列:

[1, 2, 4, 17, 34, 61, 68, 122, 244, 293, 586, 1037, 1172, 2074, 4148, 4981, 9962, 17417, 17873, 19924, 34834, 35746, 69668, 71492, 296089, 303841, 592178, 607682, 1062437, 1184356, 1215364, 2124874, 4249748, 5103181, 10206362, 18061429, 20412724, 36122858, 72245716, 86754077, 173508154, 311294041, 347016308, 622588082, 1245176164, 5291998697, 10583997394, 21167994788]

約数ペア:

[(1, 21167994788), (2, 10583997394), (4, 5291998697), (17, 1245176164), (34, 622588082), (61, 347016308), (68, 311294041), (122, 173508154), (244, 86754077), (293, 72245716), (586, 36122858), (1037, 20412724), (1172, 18061429), (2074, 10206362), (4148, 5103181), (4981, 4249748), (9962, 2124874), (17417, 1215364), (17873, 1184356), (19924, 1062437), (34834, 607682), (35746, 592178), (69668, 303841), (71492, 296089)]