21842558.000000000

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{359}}^1\times {\mathrm{1889}}^1$

素因数の和:2264

約数の個数: 80

約数和(自身を含む): 506217600

約数和(自身を除く): 343461360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 359, 718, 1077, 1436, 1795, 1889, 2154, 2872, 3590, 3778, 4308, 5385, 5667, 5744, 7180, 7556, 8616, 9445, 10770, 11334, 14360, 15112, 17232, 18890, 21540, 22668, 28335, 28720, 30224, 37780, 43080, 45336, 56670, 75560, 86160, 90672, 113340, 151120, 226680, 453360, 678151, 1356302, 2034453, 2712604, 3390755, 4068906, 5425208, 6781510, 8137812, 10172265, 10850416, 13563020, 16275624, 20344530, 27126040, 32551248, 40689060, 54252080, 81378120, 162756240]

約数ペア:

[(1, 162756240), (2, 81378120), (3, 54252080), (4, 40689060), (5, 32551248), (6, 27126040), (8, 20344530), (10, 16275624), (12, 13563020), (15, 10850416), (16, 10172265), (20, 8137812), (24, 6781510), (30, 5425208), (40, 4068906), (48, 3390755), (60, 2712604), (80, 2034453), (120, 1356302), (240, 678151), (359, 453360), (718, 226680), (1077, 151120), (1436, 113340), (1795, 90672), (1889, 86160), (2154, 75560), (2872, 56670), (3590, 45336), (3778, 43080), (4308, 37780), (5385, 30224), (5667, 28720), (5744, 28335), (7180, 22668), (7556, 21540), (8616, 18890), (9445, 17232), (10770, 15112), (11334, 14360)]