21908166

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{17987}}^1$

素因数の和:18028

約数の個数: 32

約数和(自身を含む): 51805440

約数和(自身を除く): 29897274

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 87, 174, 203, 406, 609, 1218, 17987, 35974, 53961, 107922, 125909, 251818, 377727, 521623, 755454, 1043246, 1564869, 3129738, 3651361, 7302722, 10954083, 21908166]

約数ペア:

[(1, 21908166), (2, 10954083), (3, 7302722), (6, 3651361), (7, 3129738), (14, 1564869), (21, 1043246), (29, 755454), (42, 521623), (58, 377727), (87, 251818), (174, 125909), (203, 107922), (406, 53961), (609, 35974), (1218, 17987)]