21252182475

素因数分解:

$3^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{1153}}^1\times {\mathrm{4637}}^1$

素因数の和:5856

約数の個数: 48

約数和(自身を含む): 35838679392

約数和(自身を除く): 14586496917

約数列:

[1, 3, 5, 15, 25, 53, 75, 159, 265, 795, 1153, 1325, 3459, 3975, 4637, 5765, 13911, 17295, 23185, 28825, 61109, 69555, 86475, 115925, 183327, 245761, 305545, 347775, 737283, 916635, 1228805, 1527725, 3686415, 4583175, 5346461, 6144025, 16039383, 18432075, 26732305, 80196915, 133661525, 283362433, 400984575, 850087299, 1416812165, 4250436495, 7084060825, 21252182475]

約数ペア:

[(1, 21252182475), (3, 7084060825), (5, 4250436495), (15, 1416812165), (25, 850087299), (53, 400984575), (75, 283362433), (159, 133661525), (265, 80196915), (795, 26732305), (1153, 18432075), (1325, 16039383), (3459, 6144025), (3975, 5346461), (4637, 4583175), (5765, 3686415), (13911, 1527725), (17295, 1228805), (23185, 916635), (28825, 737283), (61109, 347775), (69555, 305545), (86475, 245761), (115925, 183327)]