21510632

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{18803}}^1$

素因数の和:18833

約数の個数: 32

約数和(自身を含む): 47386080

約数和(自身を除く): 25875448

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 18803, 37606, 75212, 150424, 206833, 244439, 413666, 488878, 827332, 977756, 1654664, 1955512, 2688829, 5377658, 10755316, 21510632]

約数ペア:

[(1, 21510632), (2, 10755316), (4, 5377658), (8, 2688829), (11, 1955512), (13, 1654664), (22, 977756), (26, 827332), (44, 488878), (52, 413666), (88, 244439), (104, 206833), (143, 150424), (286, 75212), (572, 37606), (1144, 18803)]