21371346

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{331}}^1$

素因数の和:567

約数の個数: 48

約数和(自身を含む): 49409568

約数和(自身を除く): 28038222

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 211, 306, 331, 422, 633, 662, 993, 1266, 1899, 1986, 2979, 3587, 3798, 5627, 5958, 7174, 10761, 11254, 16881, 21522, 32283, 33762, 50643, 64566, 69841, 101286, 139682, 209523, 419046, 628569, 1187297, 1257138, 2374594, 3561891, 7123782, 10685673, 21371346]

約数ペア:

[(1, 21371346), (2, 10685673), (3, 7123782), (6, 3561891), (9, 2374594), (17, 1257138), (18, 1187297), (34, 628569), (51, 419046), (102, 209523), (153, 139682), (211, 101286), (306, 69841), (331, 64566), (422, 50643), (633, 33762), (662, 32283), (993, 21522), (1266, 16881), (1899, 11254), (1986, 10761), (2979, 7174), (3587, 5958), (3798, 5627)]