21854898

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1583}}^1$

素因数の和:1663

約数の個数: 48

約数和(自身を含む): 51891840

約数和(自身を除く): 30036942

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 59, 78, 117, 118, 177, 234, 354, 531, 767, 1062, 1534, 1583, 2301, 3166, 4602, 4749, 6903, 9498, 13806, 14247, 20579, 28494, 41158, 61737, 93397, 123474, 185211, 186794, 280191, 370422, 560382, 840573, 1214161, 1681146, 2428322, 3642483, 7284966, 10927449, 21854898]

約数ペア:

[(1, 21854898), (2, 10927449), (3, 7284966), (6, 3642483), (9, 2428322), (13, 1681146), (18, 1214161), (26, 840573), (39, 560382), (59, 370422), (78, 280191), (117, 186794), (118, 185211), (177, 123474), (234, 93397), (354, 61737), (531, 41158), (767, 28494), (1062, 20579), (1534, 14247), (1583, 13806), (2301, 9498), (3166, 6903), (4602, 4749)]