21857040

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{3373}}^1$

素因数の和:3398

約数の個数: 100

約数和(自身を含む): 75935244

約数和(自身を除く): 54078204

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 3373, 6480, 6746, 10119, 13492, 16865, 20238, 26984, 30357, 33730, 40476, 50595, 53968, 60714, 67460, 80952, 91071, 101190, 121428, 134920, 151785, 161904, 182142, 202380, 242856, 269840, 273213, 303570, 364284, 404760, 455355, 485712, 546426, 607140, 728568, 809520, 910710, 1092852, 1214280, 1366065, 1457136, 1821420, 2185704, 2428560, 2732130, 3642840, 4371408, 5464260, 7285680, 10928520, 21857040]

約数ペア:

[(1, 21857040), (2, 10928520), (3, 7285680), (4, 5464260), (5, 4371408), (6, 3642840), (8, 2732130), (9, 2428560), (10, 2185704), (12, 1821420), (15, 1457136), (16, 1366065), (18, 1214280), (20, 1092852), (24, 910710), (27, 809520), (30, 728568), (36, 607140), (40, 546426), (45, 485712), (48, 455355), (54, 404760), (60, 364284), (72, 303570), (80, 273213), (81, 269840), (90, 242856), (108, 202380), (120, 182142), (135, 161904), (144, 151785), (162, 134920), (180, 121428), (216, 101190), (240, 91071), (270, 80952), (324, 67460), (360, 60714), (405, 53968), (432, 50595), (540, 40476), (648, 33730), (720, 30357), (810, 26984), (1080, 20238), (1296, 16865), (1620, 13492), (2160, 10119), (3240, 6746), (3373, 6480)]