21508284

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{2393}}^1$

素因数の和:2514

約数の個数: 48

約数和(自身を含む): 57915648

約数和(自身を除く): 36407364

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 107, 214, 321, 428, 642, 749, 1284, 1498, 2247, 2393, 2996, 4494, 4786, 7179, 8988, 9572, 14358, 16751, 28716, 33502, 50253, 67004, 100506, 201012, 256051, 512102, 768153, 1024204, 1536306, 1792357, 3072612, 3584714, 5377071, 7169428, 10754142, 21508284]

約数ペア:

[(1, 21508284), (2, 10754142), (3, 7169428), (4, 5377071), (6, 3584714), (7, 3072612), (12, 1792357), (14, 1536306), (21, 1024204), (28, 768153), (42, 512102), (84, 256051), (107, 201012), (214, 100506), (321, 67004), (428, 50253), (642, 33502), (749, 28716), (1284, 16751), (1498, 14358), (2247, 9572), (2393, 8988), (2996, 7179), (4494, 4786)]