21152712

素因数分解:

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

素因数の和:18010

約数の個数: 48

約数和(自身を含む): 61518960

約数和(自身を除く): 40366248

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 147, 168, 196, 294, 392, 588, 1176, 17987, 35974, 53961, 71948, 107922, 125909, 143896, 215844, 251818, 377727, 431688, 503636, 755454, 881363, 1007272, 1510908, 1762726, 2644089, 3021816, 3525452, 5288178, 7050904, 10576356, 21152712]

約数ペア:

[(1, 21152712), (2, 10576356), (3, 7050904), (4, 5288178), (6, 3525452), (7, 3021816), (8, 2644089), (12, 1762726), (14, 1510908), (21, 1007272), (24, 881363), (28, 755454), (42, 503636), (49, 431688), (56, 377727), (84, 251818), (98, 215844), (147, 143896), (168, 125909), (196, 107922), (294, 71948), (392, 53961), (588, 35974), (1176, 17987)]