21619080

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{373}}^1$

素因数の和:420

約数の個数: 192

約数和(自身を含む): 84015360

約数和(自身を除く): 62396280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 23, 24, 28, 30, 35, 36, 40, 42, 45, 46, 56, 60, 63, 69, 70, 72, 84, 90, 92, 105, 115, 120, 126, 138, 140, 161, 168, 180, 184, 207, 210, 230, 252, 276, 280, 315, 322, 345, 360, 373, 414, 420, 460, 483, 504, 552, 630, 644, 690, 746, 805, 828, 840, 920, 966, 1035, 1119, 1260, 1288, 1380, 1449, 1492, 1610, 1656, 1865, 1932, 2070, 2238, 2415, 2520, 2611, 2760, 2898, 2984, 3220, 3357, 3730, 3864, 4140, 4476, 4830, 5222, 5595, 5796, 6440, 6714, 7245, 7460, 7833, 8280, 8579, 8952, 9660, 10444, 11190, 11592, 13055, 13428, 14490, 14920, 15666, 16785, 17158, 19320, 20888, 22380, 23499, 25737, 26110, 26856, 28980, 31332, 33570, 34316, 39165, 42895, 44760, 46998, 51474, 52220, 57960, 60053, 62664, 67140, 68632, 77211, 78330, 85790, 93996, 102948, 104440, 117495, 120106, 128685, 134280, 154422, 156660, 171580, 180159, 187992, 205896, 234990, 240212, 257370, 300265, 308844, 313320, 343160, 360318, 386055, 469980, 480424, 514740, 540477, 600530, 617688, 720636, 772110, 900795, 939960, 1029480, 1080954, 1201060, 1441272, 1544220, 1801590, 2161908, 2402120, 2702385, 3088440, 3603180, 4323816, 5404770, 7206360, 10809540, 21619080]

約数ペア:

[(1, 21619080), (2, 10809540), (3, 7206360), (4, 5404770), (5, 4323816), (6, 3603180), (7, 3088440), (8, 2702385), (9, 2402120), (10, 2161908), (12, 1801590), (14, 1544220), (15, 1441272), (18, 1201060), (20, 1080954), (21, 1029480), (23, 939960), (24, 900795), (28, 772110), (30, 720636), (35, 617688), (36, 600530), (40, 540477), (42, 514740), (45, 480424), (46, 469980), (56, 386055), (60, 360318), (63, 343160), (69, 313320), (70, 308844), (72, 300265), (84, 257370), (90, 240212), (92, 234990), (105, 205896), (115, 187992), (120, 180159), (126, 171580), (138, 156660), (140, 154422), (161, 134280), (168, 128685), (180, 120106), (184, 117495), (207, 104440), (210, 102948), (230, 93996), (252, 85790), (276, 78330), (280, 77211), (315, 68632), (322, 67140), (345, 62664), (360, 60053), (373, 57960), (414, 52220), (420, 51474), (460, 46998), (483, 44760), (504, 42895), (552, 39165), (630, 34316), (644, 33570), (690, 31332), (746, 28980), (805, 26856), (828, 26110), (840, 25737), (920, 23499), (966, 22380), (1035, 20888), (1119, 19320), (1260, 17158), (1288, 16785), (1380, 15666), (1449, 14920), (1492, 14490), (1610, 13428), (1656, 13055), (1865, 11592), (1932, 11190), (2070, 10444), (2238, 9660), (2415, 8952), (2520, 8579), (2611, 8280), (2760, 7833), (2898, 7460), (2984, 7245), (3220, 6714), (3357, 6440), (3730, 5796), (3864, 5595), (4140, 5222), (4476, 4830)]