21478248

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{577}}^1$

素因数の和:647

約数の個数: 96

約数和(自身を含む): 64920960

約数和(自身を除く): 43442712

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 47, 66, 72, 88, 94, 99, 132, 141, 188, 198, 264, 282, 376, 396, 423, 517, 564, 577, 792, 846, 1034, 1128, 1154, 1551, 1692, 1731, 2068, 2308, 3102, 3384, 3462, 4136, 4616, 4653, 5193, 6204, 6347, 6924, 9306, 10386, 12408, 12694, 13848, 18612, 19041, 20772, 25388, 27119, 37224, 38082, 41544, 50776, 54238, 57123, 76164, 81357, 108476, 114246, 152328, 162714, 216952, 228492, 244071, 298309, 325428, 456984, 488142, 596618, 650856, 894927, 976284, 1193236, 1789854, 1952568, 2386472, 2684781, 3579708, 5369562, 7159416, 10739124, 21478248]

約数ペア:

[(1, 21478248), (2, 10739124), (3, 7159416), (4, 5369562), (6, 3579708), (8, 2684781), (9, 2386472), (11, 1952568), (12, 1789854), (18, 1193236), (22, 976284), (24, 894927), (33, 650856), (36, 596618), (44, 488142), (47, 456984), (66, 325428), (72, 298309), (88, 244071), (94, 228492), (99, 216952), (132, 162714), (141, 152328), (188, 114246), (198, 108476), (264, 81357), (282, 76164), (376, 57123), (396, 54238), (423, 50776), (517, 41544), (564, 38082), (577, 37224), (792, 27119), (846, 25388), (1034, 20772), (1128, 19041), (1154, 18612), (1551, 13848), (1692, 12694), (1731, 12408), (2068, 10386), (2308, 9306), (3102, 6924), (3384, 6347), (3462, 6204), (4136, 5193), (4616, 4653)]