21565350

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{2819}}^1$

素因数の和:2854

約数の個数: 72

約数和(自身を含む): 61368840

約数和(自身を除く): 39803490

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 25, 30, 34, 45, 50, 51, 75, 85, 90, 102, 150, 153, 170, 225, 255, 306, 425, 450, 510, 765, 850, 1275, 1530, 2550, 2819, 3825, 5638, 7650, 8457, 14095, 16914, 25371, 28190, 42285, 47923, 50742, 70475, 84570, 95846, 126855, 140950, 143769, 211425, 239615, 253710, 287538, 422850, 431307, 479230, 634275, 718845, 862614, 1198075, 1268550, 1437690, 2156535, 2396150, 3594225, 4313070, 7188450, 10782675, 21565350]

約数ペア:

[(1, 21565350), (2, 10782675), (3, 7188450), (5, 4313070), (6, 3594225), (9, 2396150), (10, 2156535), (15, 1437690), (17, 1268550), (18, 1198075), (25, 862614), (30, 718845), (34, 634275), (45, 479230), (50, 431307), (51, 422850), (75, 287538), (85, 253710), (90, 239615), (102, 211425), (150, 143769), (153, 140950), (170, 126855), (225, 95846), (255, 84570), (306, 70475), (425, 50742), (450, 47923), (510, 42285), (765, 28190), (850, 25371), (1275, 16914), (1530, 14095), (2550, 8457), (2819, 7650), (3825, 5638)]