21766120

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{32009}}^1$

素因数の和:32037

約数の個数: 32

約数和(自身を含む): 51856200

約数和(自身を除く): 30090080

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 32009, 64018, 128036, 160045, 256072, 320090, 544153, 640180, 1088306, 1280360, 2176612, 2720765, 4353224, 5441530, 10883060, 21766120]

約数ペア:

[(1, 21766120), (2, 10883060), (4, 5441530), (5, 4353224), (8, 2720765), (10, 2176612), (17, 1280360), (20, 1088306), (34, 640180), (40, 544153), (68, 320090), (85, 256072), (136, 160045), (170, 128036), (340, 64018), (680, 32009)]