21152803724

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{556477}}^1$

素因数の和:556554

約数の個数: 48

約数和(自身を含む): 43191596448

約数和(自身を除く): 22038792724

約数列:

[1, 2, 4, 13, 17, 26, 34, 43, 52, 68, 86, 172, 221, 442, 559, 731, 884, 1118, 1462, 2236, 2924, 9503, 19006, 38012, 556477, 1112954, 2225908, 7234201, 9460109, 14468402, 18920218, 23928511, 28936804, 37840436, 47857022, 95714044, 122981417, 245962834, 311070643, 406784687, 491925668, 622141286, 813569374, 1244282572, 1627138748, 5288200931, 10576401862, 21152803724]

約数ペア:

[(1, 21152803724), (2, 10576401862), (4, 5288200931), (13, 1627138748), (17, 1244282572), (26, 813569374), (34, 622141286), (43, 491925668), (52, 406784687), (68, 311070643), (86, 245962834), (172, 122981417), (221, 95714044), (442, 47857022), (559, 37840436), (731, 28936804), (884, 23928511), (1118, 18920218), (1462, 14468402), (2236, 9460109), (2924, 7234201), (9503, 2225908), (19006, 1112954), (38012, 556477)]