21753214

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1543}}^1$

素因数の和:1624

約数の個数: 32

約数和(自身を含む): 40020480

約数和(自身を除く): 18267266

約数列:

[1, 2, 7, 14, 19, 38, 53, 106, 133, 266, 371, 742, 1007, 1543, 2014, 3086, 7049, 10801, 14098, 21602, 29317, 58634, 81779, 163558, 205219, 410438, 572453, 1144906, 1553801, 3107602, 10876607, 21753214]

約数ペア:

[(1, 21753214), (2, 10876607), (7, 3107602), (14, 1553801), (19, 1144906), (38, 572453), (53, 410438), (106, 205219), (133, 163558), (266, 81779), (371, 58634), (742, 29317), (1007, 21602), (1543, 14098), (2014, 10801), (3086, 7049)]