21435480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5413}}^1$

素因数の和:5441

約数の個数: 96

約数和(自身を含む): 76012560

約数和(自身を除く): 54577080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 5413, 10826, 16239, 21652, 27065, 32478, 43304, 48717, 54130, 59543, 64956, 81195, 97434, 108260, 119086, 129912, 162390, 178629, 194868, 216520, 238172, 243585, 297715, 324780, 357258, 389736, 476344, 487170, 535887, 595430, 649560, 714516, 893145, 974340, 1071774, 1190860, 1429032, 1786290, 1948680, 2143548, 2381720, 2679435, 3572580, 4287096, 5358870, 7145160, 10717740, 21435480]

約数ペア:

[(1, 21435480), (2, 10717740), (3, 7145160), (4, 5358870), (5, 4287096), (6, 3572580), (8, 2679435), (9, 2381720), (10, 2143548), (11, 1948680), (12, 1786290), (15, 1429032), (18, 1190860), (20, 1071774), (22, 974340), (24, 893145), (30, 714516), (33, 649560), (36, 595430), (40, 535887), (44, 487170), (45, 476344), (55, 389736), (60, 357258), (66, 324780), (72, 297715), (88, 243585), (90, 238172), (99, 216520), (110, 194868), (120, 178629), (132, 162390), (165, 129912), (180, 119086), (198, 108260), (220, 97434), (264, 81195), (330, 64956), (360, 59543), (396, 54130), (440, 48717), (495, 43304), (660, 32478), (792, 27065), (990, 21652), (1320, 16239), (1980, 10826), (3960, 5413)]