21838486

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:300

約数の個数: 32

約数和(自身を含む): 35925120

約数和(自身を除く): 14086634

約数列:

[1, 2, 19, 38, 41, 82, 107, 131, 214, 262, 779, 1558, 2033, 2489, 4066, 4387, 4978, 5371, 8774, 10742, 14017, 28034, 83353, 102049, 166706, 204098, 266323, 532646, 574697, 1149394, 10919243, 21838486]

約数ペア:

[(1, 21838486), (2, 10919243), (19, 1149394), (38, 574697), (41, 532646), (82, 266323), (107, 204098), (131, 166706), (214, 102049), (262, 83353), (779, 28034), (1558, 14017), (2033, 10742), (2489, 8774), (4066, 5371), (4387, 4978)]