21921858

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9157}}^1$

素因数の和:9191

約数の個数: 48

約数和(自身を含む): 57145920

約数和(自身を除く): 35224062

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 57, 63, 114, 126, 133, 171, 266, 342, 399, 798, 1197, 2394, 9157, 18314, 27471, 54942, 64099, 82413, 128198, 164826, 173983, 192297, 347966, 384594, 521949, 576891, 1043898, 1153782, 1217881, 1565847, 2435762, 3131694, 3653643, 7307286, 10960929, 21921858]

約数ペア:

[(1, 21921858), (2, 10960929), (3, 7307286), (6, 3653643), (7, 3131694), (9, 2435762), (14, 1565847), (18, 1217881), (19, 1153782), (21, 1043898), (38, 576891), (42, 521949), (57, 384594), (63, 347966), (114, 192297), (126, 173983), (133, 164826), (171, 128198), (266, 82413), (342, 64099), (399, 54942), (798, 27471), (1197, 18314), (2394, 9157)]