21102102

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{373}}^1\times {\mathrm{449}}^1$

素因数の和:837

約数の個数: 48

約数和(自身を含む): 52509600

約数和(自身を除く): 31407498

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 373, 449, 746, 898, 1119, 1347, 2238, 2611, 2694, 3143, 3357, 4041, 5222, 6286, 6714, 7833, 8082, 9429, 15666, 18858, 23499, 28287, 46998, 56574, 167477, 334954, 502431, 1004862, 1172339, 1507293, 2344678, 3014586, 3517017, 7034034, 10551051, 21102102]

約数ペア:

[(1, 21102102), (2, 10551051), (3, 7034034), (6, 3517017), (7, 3014586), (9, 2344678), (14, 1507293), (18, 1172339), (21, 1004862), (42, 502431), (63, 334954), (126, 167477), (373, 56574), (449, 46998), (746, 28287), (898, 23499), (1119, 18858), (1347, 15666), (2238, 9429), (2611, 8082), (2694, 7833), (3143, 6714), (3357, 6286), (4041, 5222)]