21421802493

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{11069}}^1$

素因数の和:11251

約数の個数: 96

約数和(自身を含む): 40617158400

約数和(自身を除く): 19195355907

約数列:

[1, 3, 7, 9, 13, 17, 21, 39, 51, 63, 91, 117, 119, 139, 153, 221, 273, 357, 417, 663, 819, 973, 1071, 1251, 1547, 1807, 1989, 2363, 2919, 4641, 5421, 7089, 8757, 11069, 12649, 13923, 16263, 16541, 21267, 30719, 33207, 37947, 49623, 77483, 92157, 99621, 113841, 143897, 148869, 188173, 215033, 232449, 276471, 431691, 564519, 645099, 697347, 1007279, 1295073, 1317211, 1538591, 1693557, 1935297, 2446249, 3021837, 3951633, 4615773, 7338747, 9065511, 10770137, 11854899, 13847319, 17123743, 20001683, 22016241, 26156047, 32310411, 51371229, 60005049, 78468141, 96931233, 140011781, 154113687, 180015147, 183092329, 235404423, 340028611, 420035343, 549276987, 1020085833, 1260106029, 1647830961, 2380200277, 3060257499, 7140600831, 21421802493]

約数ペア:

[(1, 21421802493), (3, 7140600831), (7, 3060257499), (9, 2380200277), (13, 1647830961), (17, 1260106029), (21, 1020085833), (39, 549276987), (51, 420035343), (63, 340028611), (91, 235404423), (117, 183092329), (119, 180015147), (139, 154113687), (153, 140011781), (221, 96931233), (273, 78468141), (357, 60005049), (417, 51371229), (663, 32310411), (819, 26156047), (973, 22016241), (1071, 20001683), (1251, 17123743), (1547, 13847319), (1807, 11854899), (1989, 10770137), (2363, 9065511), (2919, 7338747), (4641, 4615773), (5421, 3951633), (7089, 3021837), (8757, 2446249), (11069, 1935297), (12649, 1693557), (13923, 1538591), (16263, 1317211), (16541, 1295073), (21267, 1007279), (30719, 697347), (33207, 645099), (37947, 564519), (49623, 431691), (77483, 276471), (92157, 232449), (99621, 215033), (113841, 188173), (143897, 148869)]