21406536

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^1\times {\mathrm{17489}}^1$

素因数の和:17518

約数の個数: 48

約数和(自身を含む): 61389900

約数和(自身を除く): 39983364

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 34, 36, 51, 68, 72, 102, 136, 153, 204, 306, 408, 612, 1224, 17489, 34978, 52467, 69956, 104934, 139912, 157401, 209868, 297313, 314802, 419736, 594626, 629604, 891939, 1189252, 1259208, 1783878, 2378504, 2675817, 3567756, 5351634, 7135512, 10703268, 21406536]

約数ペア:

[(1, 21406536), (2, 10703268), (3, 7135512), (4, 5351634), (6, 3567756), (8, 2675817), (9, 2378504), (12, 1783878), (17, 1259208), (18, 1189252), (24, 891939), (34, 629604), (36, 594626), (51, 419736), (68, 314802), (72, 297313), (102, 209868), (136, 157401), (153, 139912), (204, 104934), (306, 69956), (408, 52467), (612, 34978), (1224, 17489)]