21200768

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{9743}}^1$

素因数の和:9774

約数の個数: 32

約数和(自身を含む): 44724960

約数和(自身を除く): 23524192

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 272, 544, 1088, 2176, 9743, 19486, 38972, 77944, 155888, 165631, 311776, 331262, 623552, 662524, 1247104, 1325048, 2650096, 5300192, 10600384, 21200768]

約数ペア:

[(1, 21200768), (2, 10600384), (4, 5300192), (8, 2650096), (16, 1325048), (17, 1247104), (32, 662524), (34, 623552), (64, 331262), (68, 311776), (128, 165631), (136, 155888), (272, 77944), (544, 38972), (1088, 19486), (2176, 9743)]