21516120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{1013}}^1$

素因数の和:1089

約数の個数: 96

約数和(自身を含む): 71182800

約数和(自身を除く): 49666680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 59, 60, 72, 90, 118, 120, 177, 180, 236, 295, 354, 360, 472, 531, 590, 708, 885, 1013, 1062, 1180, 1416, 1770, 2026, 2124, 2360, 2655, 3039, 3540, 4052, 4248, 5065, 5310, 6078, 7080, 8104, 9117, 10130, 10620, 12156, 15195, 18234, 20260, 21240, 24312, 30390, 36468, 40520, 45585, 59767, 60780, 72936, 91170, 119534, 121560, 179301, 182340, 239068, 298835, 358602, 364680, 478136, 537903, 597670, 717204, 896505, 1075806, 1195340, 1434408, 1793010, 2151612, 2390680, 2689515, 3586020, 4303224, 5379030, 7172040, 10758060, 21516120]

約数ペア:

[(1, 21516120), (2, 10758060), (3, 7172040), (4, 5379030), (5, 4303224), (6, 3586020), (8, 2689515), (9, 2390680), (10, 2151612), (12, 1793010), (15, 1434408), (18, 1195340), (20, 1075806), (24, 896505), (30, 717204), (36, 597670), (40, 537903), (45, 478136), (59, 364680), (60, 358602), (72, 298835), (90, 239068), (118, 182340), (120, 179301), (177, 121560), (180, 119534), (236, 91170), (295, 72936), (354, 60780), (360, 59767), (472, 45585), (531, 40520), (590, 36468), (708, 30390), (885, 24312), (1013, 21240), (1062, 20260), (1180, 18234), (1416, 15195), (1770, 12156), (2026, 10620), (2124, 10130), (2360, 9117), (2655, 8104), (3039, 7080), (3540, 6078), (4052, 5310), (4248, 5065)]