21835905

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{941}}^1$

素因数の和:986

約数の個数: 64

約数和(自身を含む): 45577728

約数和(自身を除く): 23741823

約数列:

[1, 3, 5, 7, 13, 15, 17, 21, 35, 39, 51, 65, 85, 91, 105, 119, 195, 221, 255, 273, 357, 455, 595, 663, 941, 1105, 1365, 1547, 1785, 2823, 3315, 4641, 4705, 6587, 7735, 12233, 14115, 15997, 19761, 23205, 32935, 36699, 47991, 61165, 79985, 85631, 98805, 111979, 183495, 207961, 239955, 256893, 335937, 428155, 559895, 623883, 1039805, 1284465, 1455727, 1679685, 3119415, 4367181, 7278635, 21835905]

約数ペア:

[(1, 21835905), (3, 7278635), (5, 4367181), (7, 3119415), (13, 1679685), (15, 1455727), (17, 1284465), (21, 1039805), (35, 623883), (39, 559895), (51, 428155), (65, 335937), (85, 256893), (91, 239955), (105, 207961), (119, 183495), (195, 111979), (221, 98805), (255, 85631), (273, 79985), (357, 61165), (455, 47991), (595, 36699), (663, 32935), (941, 23205), (1105, 19761), (1365, 15997), (1547, 14115), (1785, 12233), (2823, 7735), (3315, 6587), (4641, 4705)]