21858900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^2\times {\mathrm{1487}}^1$

素因数の和:1518

約数の個数: 108

約数和(自身を含む): 73620288

約数和(自身を除く): 51761388

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 49, 50, 60, 70, 75, 84, 98, 100, 105, 140, 147, 150, 175, 196, 210, 245, 294, 300, 350, 420, 490, 525, 588, 700, 735, 980, 1050, 1225, 1470, 1487, 2100, 2450, 2940, 2974, 3675, 4461, 4900, 5948, 7350, 7435, 8922, 10409, 14700, 14870, 17844, 20818, 22305, 29740, 31227, 37175, 41636, 44610, 52045, 62454, 72863, 74350, 89220, 104090, 111525, 124908, 145726, 148700, 156135, 208180, 218589, 223050, 260225, 291452, 312270, 364315, 437178, 446100, 520450, 624540, 728630, 780675, 874356, 1040900, 1092945, 1457260, 1561350, 1821575, 2185890, 3122700, 3643150, 4371780, 5464725, 7286300, 10929450, 21858900]

約数ペア:

[(1, 21858900), (2, 10929450), (3, 7286300), (4, 5464725), (5, 4371780), (6, 3643150), (7, 3122700), (10, 2185890), (12, 1821575), (14, 1561350), (15, 1457260), (20, 1092945), (21, 1040900), (25, 874356), (28, 780675), (30, 728630), (35, 624540), (42, 520450), (49, 446100), (50, 437178), (60, 364315), (70, 312270), (75, 291452), (84, 260225), (98, 223050), (100, 218589), (105, 208180), (140, 156135), (147, 148700), (150, 145726), (175, 124908), (196, 111525), (210, 104090), (245, 89220), (294, 74350), (300, 72863), (350, 62454), (420, 52045), (490, 44610), (525, 41636), (588, 37175), (700, 31227), (735, 29740), (980, 22305), (1050, 20818), (1225, 17844), (1470, 14870), (1487, 14700), (2100, 10409), (2450, 8922), (2940, 7435), (2974, 7350), (3675, 5948), (4461, 4900)]