21000700035

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{67547}}^1$

素因数の和:67622

約数の個数: 96

約数和(自身を含む): 44354718720

約数和(自身を除く): 23354018685

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 47, 49, 63, 105, 135, 141, 147, 189, 235, 245, 315, 329, 423, 441, 705, 735, 945, 987, 1269, 1323, 1645, 2115, 2205, 2303, 2961, 4935, 6345, 6615, 6909, 8883, 11515, 14805, 20727, 34545, 44415, 62181, 67547, 103635, 202641, 310905, 337735, 472829, 607923, 1013205, 1418487, 1823769, 2364145, 3039615, 3174709, 3309803, 4255461, 7092435, 9118845, 9524127, 9929409, 12766383, 15873545, 16549015, 21277305, 22222963, 28572381, 29788227, 47620635, 49647045, 63831915, 66668889, 85717143, 89364681, 111114815, 142861905, 148941135, 155560741, 200006667, 333344445, 428585715, 446823405, 466682223, 600020001, 777803705, 1000033335, 1400046669, 2333411115, 3000100005, 4200140007, 7000233345, 21000700035]

約数ペア:

[(1, 21000700035), (3, 7000233345), (5, 4200140007), (7, 3000100005), (9, 2333411115), (15, 1400046669), (21, 1000033335), (27, 777803705), (35, 600020001), (45, 466682223), (47, 446823405), (49, 428585715), (63, 333344445), (105, 200006667), (135, 155560741), (141, 148941135), (147, 142861905), (189, 111114815), (235, 89364681), (245, 85717143), (315, 66668889), (329, 63831915), (423, 49647045), (441, 47620635), (705, 29788227), (735, 28572381), (945, 22222963), (987, 21277305), (1269, 16549015), (1323, 15873545), (1645, 12766383), (2115, 9929409), (2205, 9524127), (2303, 9118845), (2961, 7092435), (4935, 4255461), (6345, 3309803), (6615, 3174709), (6909, 3039615), (8883, 2364145), (11515, 1823769), (14805, 1418487), (20727, 1013205), (34545, 607923), (44415, 472829), (62181, 337735), (67547, 310905), (103635, 202641)]