21555360

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{14969}}^1$

素因数の和:14990

約数の個数: 72

約数和(自身を含む): 73562580

約数和(自身を除く): 52007220

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 14969, 29938, 44907, 59876, 74845, 89814, 119752, 134721, 149690, 179628, 224535, 239504, 269442, 299380, 359256, 449070, 479008, 538884, 598760, 673605, 718512, 898140, 1077768, 1197520, 1347210, 1437024, 1796280, 2155536, 2395040, 2694420, 3592560, 4311072, 5388840, 7185120, 10777680, 21555360]

約数ペア:

[(1, 21555360), (2, 10777680), (3, 7185120), (4, 5388840), (5, 4311072), (6, 3592560), (8, 2694420), (9, 2395040), (10, 2155536), (12, 1796280), (15, 1437024), (16, 1347210), (18, 1197520), (20, 1077768), (24, 898140), (30, 718512), (32, 673605), (36, 598760), (40, 538884), (45, 479008), (48, 449070), (60, 359256), (72, 299380), (80, 269442), (90, 239504), (96, 224535), (120, 179628), (144, 149690), (160, 134721), (180, 119752), (240, 89814), (288, 74845), (360, 59876), (480, 44907), (720, 29938), (1440, 14969)]