21468980412

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{275201}}^1$

素因数の和:275419

約数の個数: 72

約数和(自身を含む): 59503075632

約数和(自身を除く): 38034095220

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 197, 198, 394, 396, 591, 788, 1182, 1773, 2167, 2364, 3546, 4334, 6501, 7092, 8668, 13002, 19503, 26004, 39006, 78012, 275201, 550402, 825603, 1100804, 1651206, 2476809, 3027211, 3302412, 4953618, 6054422, 9081633, 9907236, 12108844, 18163266, 27244899, 36326532, 54214597, 54489798, 108429194, 108979596, 162643791, 216858388, 325287582, 487931373, 596360567, 650575164, 975862746, 1192721134, 1789081701, 1951725492, 2385442268, 3578163402, 5367245103, 7156326804, 10734490206, 21468980412]

約数ペア:

[(1, 21468980412), (2, 10734490206), (3, 7156326804), (4, 5367245103), (6, 3578163402), (9, 2385442268), (11, 1951725492), (12, 1789081701), (18, 1192721134), (22, 975862746), (33, 650575164), (36, 596360567), (44, 487931373), (66, 325287582), (99, 216858388), (132, 162643791), (197, 108979596), (198, 108429194), (394, 54489798), (396, 54214597), (591, 36326532), (788, 27244899), (1182, 18163266), (1773, 12108844), (2167, 9907236), (2364, 9081633), (3546, 6054422), (4334, 4953618), (6501, 3302412), (7092, 3027211), (8668, 2476809), (13002, 1651206), (19503, 1100804), (26004, 825603), (39006, 550402), (78012, 275201)]