21091749420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{50218451}}^1$

素因数の和:50218470

約数の個数: 48

約数和(自身を含む): 67493599488

約数和(自身を除く): 46401850068

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 50218451, 100436902, 150655353, 200873804, 251092255, 301310706, 351529157, 502184510, 602621412, 703058314, 753276765, 1004369020, 1054587471, 1406116628, 1506553530, 1757645785, 2109174942, 3013107060, 3515291570, 4218349884, 5272937355, 7030583140, 10545874710, 21091749420]

約数ペア:

[(1, 21091749420), (2, 10545874710), (3, 7030583140), (4, 5272937355), (5, 4218349884), (6, 3515291570), (7, 3013107060), (10, 2109174942), (12, 1757645785), (14, 1506553530), (15, 1406116628), (20, 1054587471), (21, 1004369020), (28, 753276765), (30, 703058314), (35, 602621412), (42, 502184510), (60, 351529157), (70, 301310706), (84, 251092255), (105, 200873804), (140, 150655353), (210, 100436902), (420, 50218451)]