21234688

素因数分解:

$2^{10}\times {\mathrm{89}}^1\times {\mathrm{233}}^1$

素因数の和:342

約数の個数: 44

約数和(自身を含む): 43109820

約数和(自身を除く): 21875132

約数列:

[1, 2, 4, 8, 16, 32, 64, 89, 128, 178, 233, 256, 356, 466, 512, 712, 932, 1024, 1424, 1864, 2848, 3728, 5696, 7456, 11392, 14912, 20737, 22784, 29824, 41474, 45568, 59648, 82948, 91136, 119296, 165896, 238592, 331792, 663584, 1327168, 2654336, 5308672, 10617344, 21234688]

約数ペア:

[(1, 21234688), (2, 10617344), (4, 5308672), (8, 2654336), (16, 1327168), (32, 663584), (64, 331792), (89, 238592), (128, 165896), (178, 119296), (233, 91136), (256, 82948), (356, 59648), (466, 45568), (512, 41474), (712, 29824), (932, 22784), (1024, 20737), (1424, 14912), (1864, 11392), (2848, 7456), (3728, 5696)]