21160860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{50383}}^1$

素因数の和:50402

約数の個数: 48

約数和(自身を含む): 67716096

約数和(自身を除く): 46555236

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, 50383, 100766, 151149, 201532, 251915, 302298, 352681, 503830, 604596, 705362, 755745, 1007660, 1058043, 1410724, 1511490, 1763405, 2116086, 3022980, 3526810, 4232172, 5290215, 7053620, 10580430, 21160860]

約数ペア:

[(1, 21160860), (2, 10580430), (3, 7053620), (4, 5290215), (5, 4232172), (6, 3526810), (7, 3022980), (10, 2116086), (12, 1763405), (14, 1511490), (15, 1410724), (20, 1058043), (21, 1007660), (28, 755745), (30, 705362), (35, 604596), (42, 503830), (60, 352681), (70, 302298), (84, 251915), (105, 201532), (140, 151149), (210, 100766), (420, 50383)]