21822390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{839}}^1$

素因数の和:886

約数の個数: 72

約数和(自身を含む): 60343920

約数和(自身を除く): 38521530

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 289, 306, 510, 578, 765, 839, 867, 1445, 1530, 1678, 1734, 2517, 2601, 2890, 4195, 4335, 5034, 5202, 7551, 8390, 8670, 12585, 13005, 14263, 15102, 25170, 26010, 28526, 37755, 42789, 71315, 75510, 85578, 128367, 142630, 213945, 242471, 256734, 427890, 484942, 641835, 727413, 1212355, 1283670, 1454826, 2182239, 2424710, 3637065, 4364478, 7274130, 10911195, 21822390]

約数ペア:

[(1, 21822390), (2, 10911195), (3, 7274130), (5, 4364478), (6, 3637065), (9, 2424710), (10, 2182239), (15, 1454826), (17, 1283670), (18, 1212355), (30, 727413), (34, 641835), (45, 484942), (51, 427890), (85, 256734), (90, 242471), (102, 213945), (153, 142630), (170, 128367), (255, 85578), (289, 75510), (306, 71315), (510, 42789), (578, 37755), (765, 28526), (839, 26010), (867, 25170), (1445, 15102), (1530, 14263), (1678, 13005), (1734, 12585), (2517, 8670), (2601, 8390), (2890, 7551), (4195, 5202), (4335, 5034)]