21597412004

素因数分解:

$2^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1\times {\mathrm{74317}}^1$

素因数の和:74532

約数の個数: 48

約数和(自身を含む): 44048575872

約数和(自身を除く): 22451163868

約数列:

[1, 2, 4, 7, 14, 28, 97, 107, 194, 214, 388, 428, 679, 749, 1358, 1498, 2716, 2996, 10379, 20758, 41516, 72653, 74317, 145306, 148634, 290612, 297268, 520219, 1040438, 2080876, 7208749, 7951919, 14417498, 15903838, 28834996, 31807676, 50461243, 55663433, 100922486, 111326866, 201844972, 222653732, 771336143, 1542672286, 3085344572, 5399353001, 10798706002, 21597412004]

約数ペア:

[(1, 21597412004), (2, 10798706002), (4, 5399353001), (7, 3085344572), (14, 1542672286), (28, 771336143), (97, 222653732), (107, 201844972), (194, 111326866), (214, 100922486), (388, 55663433), (428, 50461243), (679, 31807676), (749, 28834996), (1358, 15903838), (1498, 14417498), (2716, 7951919), (2996, 7208749), (10379, 2080876), (20758, 1040438), (41516, 520219), (72653, 297268), (74317, 290612), (145306, 148634)]