21876120

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{8681}}^1$

素因数の和:8705

約数の個数: 96

約数和(自身を含む): 81263520

約数和(自身を除く): 59387400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 8681, 17362, 26043, 34724, 43405, 52086, 60767, 69448, 78129, 86810, 104172, 121534, 130215, 156258, 173620, 182301, 208344, 243068, 260430, 303835, 312516, 347240, 364602, 390645, 486136, 520860, 546903, 607670, 625032, 729204, 781290, 911505, 1041720, 1093806, 1215340, 1458408, 1562580, 1823010, 2187612, 2430680, 2734515, 3125160, 3646020, 4375224, 5469030, 7292040, 10938060, 21876120]

約数ペア:

[(1, 21876120), (2, 10938060), (3, 7292040), (4, 5469030), (5, 4375224), (6, 3646020), (7, 3125160), (8, 2734515), (9, 2430680), (10, 2187612), (12, 1823010), (14, 1562580), (15, 1458408), (18, 1215340), (20, 1093806), (21, 1041720), (24, 911505), (28, 781290), (30, 729204), (35, 625032), (36, 607670), (40, 546903), (42, 520860), (45, 486136), (56, 390645), (60, 364602), (63, 347240), (70, 312516), (72, 303835), (84, 260430), (90, 243068), (105, 208344), (120, 182301), (126, 173620), (140, 156258), (168, 130215), (180, 121534), (210, 104172), (252, 86810), (280, 78129), (315, 69448), (360, 60767), (420, 52086), (504, 43405), (630, 34724), (840, 26043), (1260, 17362), (2520, 8681)]