21133080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1249}}^1$

素因数の和:1313

約数の個数: 96

約数和(自身を含む): 70200000

約数和(自身を除く): 49066920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 47, 60, 72, 90, 94, 120, 141, 180, 188, 235, 282, 360, 376, 423, 470, 564, 705, 846, 940, 1128, 1249, 1410, 1692, 1880, 2115, 2498, 2820, 3384, 3747, 4230, 4996, 5640, 6245, 7494, 8460, 9992, 11241, 12490, 14988, 16920, 18735, 22482, 24980, 29976, 37470, 44964, 49960, 56205, 58703, 74940, 89928, 112410, 117406, 149880, 176109, 224820, 234812, 293515, 352218, 449640, 469624, 528327, 587030, 704436, 880545, 1056654, 1174060, 1408872, 1761090, 2113308, 2348120, 2641635, 3522180, 4226616, 5283270, 7044360, 10566540, 21133080]

約数ペア:

[(1, 21133080), (2, 10566540), (3, 7044360), (4, 5283270), (5, 4226616), (6, 3522180), (8, 2641635), (9, 2348120), (10, 2113308), (12, 1761090), (15, 1408872), (18, 1174060), (20, 1056654), (24, 880545), (30, 704436), (36, 587030), (40, 528327), (45, 469624), (47, 449640), (60, 352218), (72, 293515), (90, 234812), (94, 224820), (120, 176109), (141, 149880), (180, 117406), (188, 112410), (235, 89928), (282, 74940), (360, 58703), (376, 56205), (423, 49960), (470, 44964), (564, 37470), (705, 29976), (846, 24980), (940, 22482), (1128, 18735), (1249, 16920), (1410, 14988), (1692, 12490), (1880, 11241), (2115, 9992), (2498, 8460), (2820, 7494), (3384, 6245), (3747, 5640), (4230, 4996)]