21533760

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{7477}}^1$

素因数の和:7500

約数の個数: 84

約数和(自身を含む): 74077068

約数和(自身を除く): 52543308

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, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 7477, 14954, 22431, 29908, 37385, 44862, 59816, 67293, 74770, 89724, 112155, 119632, 134586, 149540, 179448, 224310, 239264, 269172, 299080, 336465, 358896, 448620, 478528, 538344, 598160, 672930, 717792, 897240, 1076688, 1196320, 1345860, 1435584, 1794480, 2153376, 2392640, 2691720, 3588960, 4306752, 5383440, 7177920, 10766880, 21533760]

約数ペア:

[(1, 21533760), (2, 10766880), (3, 7177920), (4, 5383440), (5, 4306752), (6, 3588960), (8, 2691720), (9, 2392640), (10, 2153376), (12, 1794480), (15, 1435584), (16, 1345860), (18, 1196320), (20, 1076688), (24, 897240), (30, 717792), (32, 672930), (36, 598160), (40, 538344), (45, 478528), (48, 448620), (60, 358896), (64, 336465), (72, 299080), (80, 269172), (90, 239264), (96, 224310), (120, 179448), (144, 149540), (160, 134586), (180, 119632), (192, 112155), (240, 89724), (288, 74770), (320, 67293), (360, 59816), (480, 44862), (576, 37385), (720, 29908), (960, 22431), (1440, 14954), (2880, 7477)]