2021696170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{361663}}^1$

素因数の和:361726

約数の個数: 32

約数和(自身を含む): 4010130432

約数和(自身を除く): 1988434262

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 215, 430, 559, 1118, 2795, 5590, 361663, 723326, 1808315, 3616630, 4701619, 9403238, 15551509, 23508095, 31103018, 47016190, 77757545, 155515090, 202169617, 404339234, 1010848085, 2021696170]

約数ペア:

[(1, 2021696170), (2, 1010848085), (5, 404339234), (10, 202169617), (13, 155515090), (26, 77757545), (43, 47016190), (65, 31103018), (86, 23508095), (130, 15551509), (215, 9403238), (430, 4701619), (559, 3616630), (1118, 1808315), (2795, 723326), (5590, 361663)]