21787290

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{34583}}^1$

素因数の和:34603

約数の個数: 48

約数和(自身を含む): 64741248

約数和(自身を除く): 42953958

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 34583, 69166, 103749, 172915, 207498, 242081, 311247, 345830, 484162, 518745, 622494, 726243, 1037490, 1210405, 1452486, 1556235, 2178729, 2420810, 3112470, 3631215, 4357458, 7262430, 10893645, 21787290]

約数ペア:

[(1, 21787290), (2, 10893645), (3, 7262430), (5, 4357458), (6, 3631215), (7, 3112470), (9, 2420810), (10, 2178729), (14, 1556235), (15, 1452486), (18, 1210405), (21, 1037490), (30, 726243), (35, 622494), (42, 518745), (45, 484162), (63, 345830), (70, 311247), (90, 242081), (105, 207498), (126, 172915), (210, 103749), (315, 69166), (630, 34583)]