21700926

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1627}}^1$

素因数の和:1670

約数の個数: 64

約数和(自身を含む): 54700800

約数和(自身を除く): 32999874

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 27, 38, 39, 54, 57, 78, 114, 117, 171, 234, 247, 342, 351, 494, 513, 702, 741, 1026, 1482, 1627, 2223, 3254, 4446, 4881, 6669, 9762, 13338, 14643, 21151, 29286, 30913, 42302, 43929, 61826, 63453, 87858, 92739, 126906, 185478, 190359, 278217, 380718, 401869, 556434, 571077, 803738, 834651, 1142154, 1205607, 1669302, 2411214, 3616821, 7233642, 10850463, 21700926]

約数ペア:

[(1, 21700926), (2, 10850463), (3, 7233642), (6, 3616821), (9, 2411214), (13, 1669302), (18, 1205607), (19, 1142154), (26, 834651), (27, 803738), (38, 571077), (39, 556434), (54, 401869), (57, 380718), (78, 278217), (114, 190359), (117, 185478), (171, 126906), (234, 92739), (247, 87858), (342, 63453), (351, 61826), (494, 43929), (513, 42302), (702, 30913), (741, 29286), (1026, 21151), (1482, 14643), (1627, 13338), (2223, 9762), (3254, 6669), (4446, 4881)]