21551936

素因数分解:

$2^6\times 7^1\times {\mathrm{73}}^1\times {\mathrm{659}}^1$

素因数の和:751

約数の個数: 56

約数和(自身を含む): 49621440

約数和(自身を除く): 28069504

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 73, 112, 146, 224, 292, 448, 511, 584, 659, 1022, 1168, 1318, 2044, 2336, 2636, 4088, 4613, 4672, 5272, 8176, 9226, 10544, 16352, 18452, 21088, 32704, 36904, 42176, 48107, 73808, 96214, 147616, 192428, 295232, 336749, 384856, 673498, 769712, 1346996, 1539424, 2693992, 3078848, 5387984, 10775968, 21551936]

約数ペア:

[(1, 21551936), (2, 10775968), (4, 5387984), (7, 3078848), (8, 2693992), (14, 1539424), (16, 1346996), (28, 769712), (32, 673498), (56, 384856), (64, 336749), (73, 295232), (112, 192428), (146, 147616), (224, 96214), (292, 73808), (448, 48107), (511, 42176), (584, 36904), (659, 32704), (1022, 21088), (1168, 18452), (1318, 16352), (2044, 10544), (2336, 9226), (2636, 8176), (4088, 5272), (4613, 4672)]