21624140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1621}}^1$

素因数の和:1682

約数の個数: 48

約数和(自身を含む): 49049280

約数和(自身を除く): 27425140

約数列:

[1, 2, 4, 5, 10, 20, 23, 29, 46, 58, 92, 115, 116, 145, 230, 290, 460, 580, 667, 1334, 1621, 2668, 3242, 3335, 6484, 6670, 8105, 13340, 16210, 32420, 37283, 47009, 74566, 94018, 149132, 186415, 188036, 235045, 372830, 470090, 745660, 940180, 1081207, 2162414, 4324828, 5406035, 10812070, 21624140]

約数ペア:

[(1, 21624140), (2, 10812070), (4, 5406035), (5, 4324828), (10, 2162414), (20, 1081207), (23, 940180), (29, 745660), (46, 470090), (58, 372830), (92, 235045), (115, 188036), (116, 186415), (145, 149132), (230, 94018), (290, 74566), (460, 47009), (580, 37283), (667, 32420), (1334, 16210), (1621, 13340), (2668, 8105), (3242, 6670), (3335, 6484)]