21070206

素因数分解:

$2^1\times 3^4\times {\mathrm{113}}^1\times {\mathrm{1151}}^1$

素因数の和:1278

約数の個数: 40

約数和(自身を含む): 47672064

約数和(自身を除く): 26601858

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 113, 162, 226, 339, 678, 1017, 1151, 2034, 2302, 3051, 3453, 6102, 6906, 9153, 10359, 18306, 20718, 31077, 62154, 93231, 130063, 186462, 260126, 390189, 780378, 1170567, 2341134, 3511701, 7023402, 10535103, 21070206]

約数ペア:

[(1, 21070206), (2, 10535103), (3, 7023402), (6, 3511701), (9, 2341134), (18, 1170567), (27, 780378), (54, 390189), (81, 260126), (113, 186462), (162, 130063), (226, 93231), (339, 62154), (678, 31077), (1017, 20718), (1151, 18306), (2034, 10359), (2302, 9153), (3051, 6906), (3453, 6102)]