21139900407

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{829}}^1\times {\mathrm{2383}}^1$

素因数の和:3288

約数の個数: 48

約数和(自身を含む): 32411433600

約数和(自身を除く): 11271533193

約数列:

[1, 3, 9, 29, 41, 87, 123, 261, 369, 829, 1189, 2383, 2487, 3567, 7149, 7461, 10701, 21447, 24041, 33989, 69107, 72123, 97703, 101967, 207321, 216369, 293109, 305901, 621963, 879327, 985681, 1975507, 2833387, 2957043, 5926521, 8500161, 8871129, 17779563, 25500483, 57289703, 80995787, 171869109, 242987361, 515607327, 728962083, 2348877823, 7046633469, 21139900407]

約数ペア:

[(1, 21139900407), (3, 7046633469), (9, 2348877823), (29, 728962083), (41, 515607327), (87, 242987361), (123, 171869109), (261, 80995787), (369, 57289703), (829, 25500483), (1189, 17779563), (2383, 8871129), (2487, 8500161), (3567, 5926521), (7149, 2957043), (7461, 2833387), (10701, 1975507), (21447, 985681), (24041, 879327), (33989, 621963), (69107, 305901), (72123, 293109), (97703, 216369), (101967, 207321)]