21627240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4871}}^1$

素因数の和:4922

約数の個数: 64

約数和(自身を含む): 66648960

約数和(自身を除く): 45021720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 296, 370, 444, 555, 740, 888, 1110, 1480, 2220, 4440, 4871, 9742, 14613, 19484, 24355, 29226, 38968, 48710, 58452, 73065, 97420, 116904, 146130, 180227, 194840, 292260, 360454, 540681, 584520, 720908, 901135, 1081362, 1441816, 1802270, 2162724, 2703405, 3604540, 4325448, 5406810, 7209080, 10813620, 21627240]

約数ペア:

[(1, 21627240), (2, 10813620), (3, 7209080), (4, 5406810), (5, 4325448), (6, 3604540), (8, 2703405), (10, 2162724), (12, 1802270), (15, 1441816), (20, 1081362), (24, 901135), (30, 720908), (37, 584520), (40, 540681), (60, 360454), (74, 292260), (111, 194840), (120, 180227), (148, 146130), (185, 116904), (222, 97420), (296, 73065), (370, 58452), (444, 48710), (555, 38968), (740, 29226), (888, 24355), (1110, 19484), (1480, 14613), (2220, 9742), (4440, 4871)]