21291237228

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{607003}}^1$

素因数の和:607126

約数の個数: 48

約数和(自身を含む): 51668180480

約数和(自身を除く): 30376943252

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 79, 111, 148, 158, 222, 237, 316, 444, 474, 948, 2923, 5846, 8769, 11692, 17538, 35076, 607003, 1214006, 1821009, 2428012, 3642018, 7284036, 22459111, 44918222, 47953237, 67377333, 89836444, 95906474, 134754666, 143859711, 191812948, 269509332, 287719422, 575438844, 1774269769, 3548539538, 5322809307, 7097079076, 10645618614, 21291237228]

約数ペア:

[(1, 21291237228), (2, 10645618614), (3, 7097079076), (4, 5322809307), (6, 3548539538), (12, 1774269769), (37, 575438844), (74, 287719422), (79, 269509332), (111, 191812948), (148, 143859711), (158, 134754666), (222, 95906474), (237, 89836444), (316, 67377333), (444, 47953237), (474, 44918222), (948, 22459111), (2923, 7284036), (5846, 3642018), (8769, 2428012), (11692, 1821009), (17538, 1214006), (35076, 607003)]