21671040

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11287}}^1$

素因数の和:11309

約数の個数: 64

約数和(自身を含む): 69082560

約数和(自身を除く): 47411520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 11287, 22574, 33861, 45148, 56435, 67722, 90296, 112870, 135444, 169305, 180592, 225740, 270888, 338610, 361184, 451480, 541776, 677220, 722368, 902960, 1083552, 1354440, 1444736, 1805920, 2167104, 2708880, 3611840, 4334208, 5417760, 7223680, 10835520, 21671040]

約数ペア:

[(1, 21671040), (2, 10835520), (3, 7223680), (4, 5417760), (5, 4334208), (6, 3611840), (8, 2708880), (10, 2167104), (12, 1805920), (15, 1444736), (16, 1354440), (20, 1083552), (24, 902960), (30, 722368), (32, 677220), (40, 541776), (48, 451480), (60, 361184), (64, 338610), (80, 270888), (96, 225740), (120, 180592), (128, 169305), (160, 135444), (192, 112870), (240, 90296), (320, 67722), (384, 56435), (480, 45148), (640, 33861), (960, 22574), (1920, 11287)]