21980928

素因数分解:

$2^8\times 3^1\times {\mathrm{28621}}^1$

素因数の和:28640

約数の個数: 36

約数和(自身を含む): 58503368

約数和(自身を除く): 36522440

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 768, 28621, 57242, 85863, 114484, 171726, 228968, 343452, 457936, 686904, 915872, 1373808, 1831744, 2747616, 3663488, 5495232, 7326976, 10990464, 21980928]

約数ペア:

[(1, 21980928), (2, 10990464), (3, 7326976), (4, 5495232), (6, 3663488), (8, 2747616), (12, 1831744), (16, 1373808), (24, 915872), (32, 686904), (48, 457936), (64, 343452), (96, 228968), (128, 171726), (192, 114484), (256, 85863), (384, 57242), (768, 28621)]