21000539940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{859}}^1\times {\mathrm{1231}}^1$

素因数の和:2433

約数の個数: 96

約数和(自身を含む): 59095787520

約数和(自身を除く): 38095247580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 331, 662, 859, 993, 1231, 1324, 1655, 1718, 1986, 2462, 2577, 3310, 3436, 3693, 3972, 4295, 4924, 4965, 5154, 6155, 6620, 7386, 8590, 9930, 10308, 12310, 12885, 14772, 17180, 18465, 19860, 24620, 25770, 36930, 51540, 73860, 284329, 407461, 568658, 814922, 852987, 1057429, 1137316, 1222383, 1421645, 1629844, 1705974, 2037305, 2114858, 2444766, 2843290, 3172287, 3411948, 4074610, 4229716, 4264935, 4889532, 5287145, 5686580, 6111915, 6344574, 8149220, 8529870, 10574290, 12223830, 12689148, 15861435, 17059740, 21148580, 24447660, 31722870, 63445740, 350008999, 700017998, 1050026997, 1400035996, 1750044995, 2100053994, 3500089990, 4200107988, 5250134985, 7000179980, 10500269970, 21000539940]

約数ペア:

[(1, 21000539940), (2, 10500269970), (3, 7000179980), (4, 5250134985), (5, 4200107988), (6, 3500089990), (10, 2100053994), (12, 1750044995), (15, 1400035996), (20, 1050026997), (30, 700017998), (60, 350008999), (331, 63445740), (662, 31722870), (859, 24447660), (993, 21148580), (1231, 17059740), (1324, 15861435), (1655, 12689148), (1718, 12223830), (1986, 10574290), (2462, 8529870), (2577, 8149220), (3310, 6344574), (3436, 6111915), (3693, 5686580), (3972, 5287145), (4295, 4889532), (4924, 4264935), (4965, 4229716), (5154, 4074610), (6155, 3411948), (6620, 3172287), (7386, 2843290), (8590, 2444766), (9930, 2114858), (10308, 2037305), (12310, 1705974), (12885, 1629844), (14772, 1421645), (17180, 1222383), (18465, 1137316), (19860, 1057429), (24620, 852987), (25770, 814922), (36930, 568658), (51540, 407461), (73860, 284329)]