21129332355

素因数分解:

$3^6\times 5^1\times {\mathrm{691}}^1\times {\mathrm{8389}}^1$

素因数の和:9103

約数の個数: 56

約数和(自身を含む): 38074961040

約数和(自身を除く): 16945628685

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 691, 729, 1215, 2073, 3455, 3645, 6219, 8389, 10365, 18657, 25167, 31095, 41945, 55971, 75501, 93285, 125835, 167913, 226503, 279855, 377505, 503739, 679509, 839565, 1132515, 2038527, 2518695, 3397545, 5796799, 6115581, 10192635, 17390397, 28983995, 30577905, 52171191, 86951985, 156513573, 260855955, 469540719, 782567865, 1408622157, 2347703595, 4225866471, 7043110785, 21129332355]

約数ペア:

[(1, 21129332355), (3, 7043110785), (5, 4225866471), (9, 2347703595), (15, 1408622157), (27, 782567865), (45, 469540719), (81, 260855955), (135, 156513573), (243, 86951985), (405, 52171191), (691, 30577905), (729, 28983995), (1215, 17390397), (2073, 10192635), (3455, 6115581), (3645, 5796799), (6219, 3397545), (8389, 2518695), (10365, 2038527), (18657, 1132515), (25167, 839565), (31095, 679509), (41945, 503739), (55971, 377505), (75501, 279855), (93285, 226503), (125835, 167913)]