21167005905

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1237}}^1\times {\mathrm{5209}}^1$

素因数の和:6530

約数の個数: 48

約数和(自身を含む): 37229284560

約数和(自身を除く): 16062278655

約数列:

[1, 3, 5, 9, 15, 45, 73, 219, 365, 657, 1095, 1237, 3285, 3711, 5209, 6185, 11133, 15627, 18555, 26045, 46881, 55665, 78135, 90301, 234405, 270903, 380257, 451505, 812709, 1140771, 1354515, 1901285, 3422313, 4063545, 5703855, 6443533, 17111565, 19330599, 32217665, 57991797, 96652995, 289958985, 470377909, 1411133727, 2351889545, 4233401181, 7055668635, 21167005905]

約数ペア:

[(1, 21167005905), (3, 7055668635), (5, 4233401181), (9, 2351889545), (15, 1411133727), (45, 470377909), (73, 289958985), (219, 96652995), (365, 57991797), (657, 32217665), (1095, 19330599), (1237, 17111565), (3285, 6443533), (3711, 5703855), (5209, 4063545), (6185, 3422313), (11133, 1901285), (15627, 1354515), (18555, 1140771), (26045, 812709), (46881, 451505), (55665, 380257), (78135, 270903), (90301, 234405)]