21413910

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{953}}^1$

素因数の和:1077

約数の個数: 64

約数和(自身を含む): 59346432

約数和(自身を除く): 37932522

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 107, 210, 214, 321, 535, 642, 749, 953, 1070, 1498, 1605, 1906, 2247, 2859, 3210, 3745, 4494, 4765, 5718, 6671, 7490, 9530, 11235, 13342, 14295, 20013, 22470, 28590, 33355, 40026, 66710, 100065, 101971, 200130, 203942, 305913, 509855, 611826, 713797, 1019710, 1427594, 1529565, 2141391, 3059130, 3568985, 4282782, 7137970, 10706955, 21413910]

約数ペア:

[(1, 21413910), (2, 10706955), (3, 7137970), (5, 4282782), (6, 3568985), (7, 3059130), (10, 2141391), (14, 1529565), (15, 1427594), (21, 1019710), (30, 713797), (35, 611826), (42, 509855), (70, 305913), (105, 203942), (107, 200130), (210, 101971), (214, 100065), (321, 66710), (535, 40026), (642, 33355), (749, 28590), (953, 22470), (1070, 20013), (1498, 14295), (1605, 13342), (1906, 11235), (2247, 9530), (2859, 7490), (3210, 6671), (3745, 5718), (4494, 4765)]