21754016

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{39989}}^1$

素因数の和:40016

約数の個数: 24

約数和(自身を含む): 45348660

約数和(自身を除く): 23594644

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 39989, 79978, 159956, 319912, 639824, 679813, 1279648, 1359626, 2719252, 5438504, 10877008, 21754016]

約数ペア:

[(1, 21754016), (2, 10877008), (4, 5438504), (8, 2719252), (16, 1359626), (17, 1279648), (32, 679813), (34, 639824), (68, 319912), (136, 159956), (272, 79978), (544, 39989)]