21772709.000000000

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{2029}}^1$

素因数の和:2128

約数の個数: 64

約数和(自身を含む): 818496000

約数和(自身を除く): 374966745

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 59, 65, 95, 177, 195, 247, 285, 295, 741, 767, 885, 1121, 1235, 2029, 2301, 3363, 3705, 3835, 5605, 6087, 10145, 11505, 14573, 16815, 26377, 30435, 38551, 43719, 72865, 79131, 115653, 119711, 131885, 192755, 218595, 359133, 395655, 501163, 578265, 598555, 1503489, 1556243, 1795665, 2274509, 2505815, 4668729, 6823527, 7517445, 7781215, 11372545, 23343645, 29568617, 34117635, 88705851, 147843085, 443529255]

約数ペア:

[(1, 443529255), (3, 147843085), (5, 88705851), (13, 34117635), (15, 29568617), (19, 23343645), (39, 11372545), (57, 7781215), (59, 7517445), (65, 6823527), (95, 4668729), (177, 2505815), (195, 2274509), (247, 1795665), (285, 1556243), (295, 1503489), (741, 598555), (767, 578265), (885, 501163), (1121, 395655), (1235, 359133), (2029, 218595), (2301, 192755), (3363, 131885), (3705, 119711), (3835, 115653), (5605, 79131), (6087, 72865), (10145, 43719), (11505, 38551), (14573, 30435), (16815, 26377)]