21137232

素因数分解:

$2^4\times 3^1\times {\mathrm{61}}^1\times {\mathrm{7219}}^1$

素因数の和:7291

約数の個数: 40

約数和(自身を含む): 55507360

約数和(自身を除く): 34370128

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 61, 122, 183, 244, 366, 488, 732, 976, 1464, 2928, 7219, 14438, 21657, 28876, 43314, 57752, 86628, 115504, 173256, 346512, 440359, 880718, 1321077, 1761436, 2642154, 3522872, 5284308, 7045744, 10568616, 21137232]

約数ペア:

[(1, 21137232), (2, 10568616), (3, 7045744), (4, 5284308), (6, 3522872), (8, 2642154), (12, 1761436), (16, 1321077), (24, 880718), (48, 440359), (61, 346512), (122, 173256), (183, 115504), (244, 86628), (366, 57752), (488, 43314), (732, 28876), (976, 21657), (1464, 14438), (2928, 7219)]