21492870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{14621}}^1$

素因数の和:14645

約数の個数: 48

約数和(自身を含む): 60008688

約数和(自身を除く): 38515818

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 14621, 29242, 43863, 73105, 87726, 102347, 146210, 204694, 219315, 307041, 438630, 511735, 614082, 716429, 1023470, 1432858, 1535205, 2149287, 3070410, 3582145, 4298574, 7164290, 10746435, 21492870]

約数ペア:

[(1, 21492870), (2, 10746435), (3, 7164290), (5, 4298574), (6, 3582145), (7, 3070410), (10, 2149287), (14, 1535205), (15, 1432858), (21, 1023470), (30, 716429), (35, 614082), (42, 511735), (49, 438630), (70, 307041), (98, 219315), (105, 204694), (147, 146210), (210, 102347), (245, 87726), (294, 73105), (490, 43863), (735, 29242), (1470, 14621)]