21002625

素因数分解:

$3^3\times 5^3\times 7^2\times {\mathrm{127}}^1$

素因数の和:165

約数の個数: 96

約数和(自身を含む): 45527040

約数和(自身を除く): 24524415

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 49, 63, 75, 105, 125, 127, 135, 147, 175, 189, 225, 245, 315, 375, 381, 441, 525, 635, 675, 735, 875, 889, 945, 1125, 1143, 1225, 1323, 1575, 1905, 2205, 2625, 2667, 3175, 3375, 3429, 3675, 4445, 4725, 5715, 6125, 6223, 6615, 7875, 8001, 9525, 11025, 13335, 15875, 17145, 18375, 18669, 22225, 23625, 24003, 28575, 31115, 33075, 40005, 47625, 55125, 56007, 66675, 85725, 93345, 111125, 120015, 142875, 155575, 165375, 168021, 200025, 280035, 333375, 428625, 466725, 600075, 777875, 840105, 1000125, 1400175, 2333625, 3000375, 4200525, 7000875, 21002625]

約数ペア:

[(1, 21002625), (3, 7000875), (5, 4200525), (7, 3000375), (9, 2333625), (15, 1400175), (21, 1000125), (25, 840105), (27, 777875), (35, 600075), (45, 466725), (49, 428625), (63, 333375), (75, 280035), (105, 200025), (125, 168021), (127, 165375), (135, 155575), (147, 142875), (175, 120015), (189, 111125), (225, 93345), (245, 85725), (315, 66675), (375, 56007), (381, 55125), (441, 47625), (525, 40005), (635, 33075), (675, 31115), (735, 28575), (875, 24003), (889, 23625), (945, 22225), (1125, 18669), (1143, 18375), (1225, 17145), (1323, 15875), (1575, 13335), (1905, 11025), (2205, 9525), (2625, 8001), (2667, 7875), (3175, 6615), (3375, 6223), (3429, 6125), (3675, 5715), (4445, 4725)]