21404394

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{6359}}^1$

素因数の和:6395

約数の個数: 48

約数和(自身を含む): 53576640

約数和(自身を除く): 32172246

約数列:

[1, 2, 3, 6, 9, 11, 17, 18, 22, 33, 34, 51, 66, 99, 102, 153, 187, 198, 306, 374, 561, 1122, 1683, 3366, 6359, 12718, 19077, 38154, 57231, 69949, 108103, 114462, 139898, 209847, 216206, 324309, 419694, 629541, 648618, 972927, 1189133, 1259082, 1945854, 2378266, 3567399, 7134798, 10702197, 21404394]

約数ペア:

[(1, 21404394), (2, 10702197), (3, 7134798), (6, 3567399), (9, 2378266), (11, 1945854), (17, 1259082), (18, 1189133), (22, 972927), (33, 648618), (34, 629541), (51, 419694), (66, 324309), (99, 216206), (102, 209847), (153, 139898), (187, 114462), (198, 108103), (306, 69949), (374, 57231), (561, 38154), (1122, 19077), (1683, 12718), (3366, 6359)]