21312832

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1031}}^1$

素因数の和:1079

約数の個数: 56

約数和(自身を含む): 47183040

約数和(自身を除く): 25870208

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 64, 68, 76, 136, 152, 272, 304, 323, 544, 608, 646, 1031, 1088, 1216, 1292, 2062, 2584, 4124, 5168, 8248, 10336, 16496, 17527, 19589, 20672, 32992, 35054, 39178, 65984, 70108, 78356, 140216, 156712, 280432, 313424, 333013, 560864, 626848, 666026, 1121728, 1253696, 1332052, 2664104, 5328208, 10656416, 21312832]

約数ペア:

[(1, 21312832), (2, 10656416), (4, 5328208), (8, 2664104), (16, 1332052), (17, 1253696), (19, 1121728), (32, 666026), (34, 626848), (38, 560864), (64, 333013), (68, 313424), (76, 280432), (136, 156712), (152, 140216), (272, 78356), (304, 70108), (323, 65984), (544, 39178), (608, 35054), (646, 32992), (1031, 20672), (1088, 19589), (1216, 17527), (1292, 16496), (2062, 10336), (2584, 8248), (4124, 5168)]