21703164

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{6983}}^1$

素因数の和:7034

約数の個数: 48

約数和(自身を含む): 59447808

約数和(自身を除く): 37744644

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 74, 84, 111, 148, 222, 259, 444, 518, 777, 1036, 1554, 3108, 6983, 13966, 20949, 27932, 41898, 48881, 83796, 97762, 146643, 195524, 258371, 293286, 516742, 586572, 775113, 1033484, 1550226, 1808597, 3100452, 3617194, 5425791, 7234388, 10851582, 21703164]

約数ペア:

[(1, 21703164), (2, 10851582), (3, 7234388), (4, 5425791), (6, 3617194), (7, 3100452), (12, 1808597), (14, 1550226), (21, 1033484), (28, 775113), (37, 586572), (42, 516742), (74, 293286), (84, 258371), (111, 195524), (148, 146643), (222, 97762), (259, 83796), (444, 48881), (518, 41898), (777, 27932), (1036, 20949), (1554, 13966), (3108, 6983)]