21342100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{16417}}^1$

素因数の和:16444

約数の個数: 36

約数和(自身を含む): 49877884

約数和(自身を除く): 28535784

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 16417, 32834, 65668, 82085, 164170, 213421, 328340, 410425, 426842, 820850, 853684, 1067105, 1641700, 2134210, 4268420, 5335525, 10671050, 21342100]

約数ペア:

[(1, 21342100), (2, 10671050), (4, 5335525), (5, 4268420), (10, 2134210), (13, 1641700), (20, 1067105), (25, 853684), (26, 820850), (50, 426842), (52, 410425), (65, 328340), (100, 213421), (130, 164170), (260, 82085), (325, 65668), (650, 32834), (1300, 16417)]