21180600

素因数分解:

$2^3\times 3^2\times 5^2\times 7^1\times {\mathrm{41}}^2$

素因数の和:111

約数の個数: 216

約数和(自身を含む): 83324280

約数和(自身を除く): 62143680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 25, 28, 30, 35, 36, 40, 41, 42, 45, 50, 56, 60, 63, 70, 72, 75, 82, 84, 90, 100, 105, 120, 123, 126, 140, 150, 164, 168, 175, 180, 200, 205, 210, 225, 246, 252, 280, 287, 300, 315, 328, 350, 360, 369, 410, 420, 450, 492, 504, 525, 574, 600, 615, 630, 700, 738, 820, 840, 861, 900, 984, 1025, 1050, 1148, 1230, 1260, 1400, 1435, 1476, 1575, 1640, 1681, 1722, 1800, 1845, 2050, 2100, 2296, 2460, 2520, 2583, 2870, 2952, 3075, 3150, 3362, 3444, 3690, 4100, 4200, 4305, 4920, 5043, 5166, 5740, 6150, 6300, 6724, 6888, 7175, 7380, 8200, 8405, 8610, 9225, 10086, 10332, 11480, 11767, 12300, 12600, 12915, 13448, 14350, 14760, 15129, 16810, 17220, 18450, 20172, 20664, 21525, 23534, 24600, 25215, 25830, 28700, 30258, 33620, 34440, 35301, 36900, 40344, 42025, 43050, 47068, 50430, 51660, 57400, 58835, 60516, 64575, 67240, 70602, 73800, 75645, 84050, 86100, 94136, 100860, 103320, 105903, 117670, 121032, 126075, 129150, 141204, 151290, 168100, 172200, 176505, 201720, 211806, 235340, 252150, 258300, 282408, 294175, 302580, 336200, 353010, 378225, 423612, 470680, 504300, 516600, 529515, 588350, 605160, 706020, 756450, 847224, 882525, 1008600, 1059030, 1176700, 1412040, 1512900, 1765050, 2118060, 2353400, 2647575, 3025800, 3530100, 4236120, 5295150, 7060200, 10590300, 21180600]

約数ペア:

[(1, 21180600), (2, 10590300), (3, 7060200), (4, 5295150), (5, 4236120), (6, 3530100), (7, 3025800), (8, 2647575), (9, 2353400), (10, 2118060), (12, 1765050), (14, 1512900), (15, 1412040), (18, 1176700), (20, 1059030), (21, 1008600), (24, 882525), (25, 847224), (28, 756450), (30, 706020), (35, 605160), (36, 588350), (40, 529515), (41, 516600), (42, 504300), (45, 470680), (50, 423612), (56, 378225), (60, 353010), (63, 336200), (70, 302580), (72, 294175), (75, 282408), (82, 258300), (84, 252150), (90, 235340), (100, 211806), (105, 201720), (120, 176505), (123, 172200), (126, 168100), (140, 151290), (150, 141204), (164, 129150), (168, 126075), (175, 121032), (180, 117670), (200, 105903), (205, 103320), (210, 100860), (225, 94136), (246, 86100), (252, 84050), (280, 75645), (287, 73800), (300, 70602), (315, 67240), (328, 64575), (350, 60516), (360, 58835), (369, 57400), (410, 51660), (420, 50430), (450, 47068), (492, 43050), (504, 42025), (525, 40344), (574, 36900), (600, 35301), (615, 34440), (630, 33620), (700, 30258), (738, 28700), (820, 25830), (840, 25215), (861, 24600), (900, 23534), (984, 21525), (1025, 20664), (1050, 20172), (1148, 18450), (1230, 17220), (1260, 16810), (1400, 15129), (1435, 14760), (1476, 14350), (1575, 13448), (1640, 12915), (1681, 12600), (1722, 12300), (1800, 11767), (1845, 11480), (2050, 10332), (2100, 10086), (2296, 9225), (2460, 8610), (2520, 8405), (2583, 8200), (2870, 7380), (2952, 7175), (3075, 6888), (3150, 6724), (3362, 6300), (3444, 6150), (3690, 5740), (4100, 5166), (4200, 5043), (4305, 4920)]