21239154

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2239}}^1$

素因数の和:2295

約数の個数: 48

約数和(自身を含む): 50319360

約数和(自身を除く): 29080206

約数列:

[1, 2, 3, 6, 9, 17, 18, 31, 34, 51, 62, 93, 102, 153, 186, 279, 306, 527, 558, 1054, 1581, 2239, 3162, 4478, 4743, 6717, 9486, 13434, 20151, 38063, 40302, 69409, 76126, 114189, 138818, 208227, 228378, 342567, 416454, 624681, 685134, 1179953, 1249362, 2359906, 3539859, 7079718, 10619577, 21239154]

約数ペア:

[(1, 21239154), (2, 10619577), (3, 7079718), (6, 3539859), (9, 2359906), (17, 1249362), (18, 1179953), (31, 685134), (34, 624681), (51, 416454), (62, 342567), (93, 228378), (102, 208227), (153, 138818), (186, 114189), (279, 76126), (306, 69409), (527, 40302), (558, 38063), (1054, 20151), (1581, 13434), (2239, 9486), (3162, 6717), (4478, 4743)]