21821730

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{103913}}^1$

素因数の和:103930

約数の個数: 32

約数和(自身を含む): 59854464

約数和(自身を除く): 38032734

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 103913, 207826, 311739, 519565, 623478, 727391, 1039130, 1454782, 1558695, 2182173, 3117390, 3636955, 4364346, 7273910, 10910865, 21821730]

約数ペア:

[(1, 21821730), (2, 10910865), (3, 7273910), (5, 4364346), (6, 3636955), (7, 3117390), (10, 2182173), (14, 1558695), (15, 1454782), (21, 1039130), (30, 727391), (35, 623478), (42, 519565), (70, 311739), (105, 207826), (210, 103913)]