21013650

素因数分解:

$2^1\times 3^2\times 5^2\times 7^2\times {\mathrm{953}}^1$

素因数の和:985

約数の個数: 108

約数和(自身を含む): 65743002

約数和(自身を除く): 44729352

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 49, 50, 63, 70, 75, 90, 98, 105, 126, 147, 150, 175, 210, 225, 245, 294, 315, 350, 441, 450, 490, 525, 630, 735, 882, 953, 1050, 1225, 1470, 1575, 1906, 2205, 2450, 2859, 3150, 3675, 4410, 4765, 5718, 6671, 7350, 8577, 9530, 11025, 13342, 14295, 17154, 20013, 22050, 23825, 28590, 33355, 40026, 42885, 46697, 47650, 60039, 66710, 71475, 85770, 93394, 100065, 120078, 140091, 142950, 166775, 200130, 214425, 233485, 280182, 300195, 333550, 420273, 428850, 466970, 500325, 600390, 700455, 840546, 1000650, 1167425, 1400910, 1500975, 2101365, 2334850, 3001950, 3502275, 4202730, 7004550, 10506825, 21013650]

約数ペア:

[(1, 21013650), (2, 10506825), (3, 7004550), (5, 4202730), (6, 3502275), (7, 3001950), (9, 2334850), (10, 2101365), (14, 1500975), (15, 1400910), (18, 1167425), (21, 1000650), (25, 840546), (30, 700455), (35, 600390), (42, 500325), (45, 466970), (49, 428850), (50, 420273), (63, 333550), (70, 300195), (75, 280182), (90, 233485), (98, 214425), (105, 200130), (126, 166775), (147, 142950), (150, 140091), (175, 120078), (210, 100065), (225, 93394), (245, 85770), (294, 71475), (315, 66710), (350, 60039), (441, 47650), (450, 46697), (490, 42885), (525, 40026), (630, 33355), (735, 28590), (882, 23825), (953, 22050), (1050, 20013), (1225, 17154), (1470, 14295), (1575, 13342), (1906, 11025), (2205, 9530), (2450, 8577), (2859, 7350), (3150, 6671), (3675, 5718), (4410, 4765)]