21836360

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{857}}^1$

素因数の和:895

約数の個数: 96

約数和(自身を含む): 61621560

約数和(自身を除く): 39785200

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 91, 98, 104, 130, 140, 182, 196, 245, 260, 280, 364, 392, 455, 490, 520, 637, 728, 857, 910, 980, 1274, 1714, 1820, 1960, 2548, 3185, 3428, 3640, 4285, 5096, 5999, 6370, 6856, 8570, 11141, 11998, 12740, 17140, 22282, 23996, 25480, 29995, 34280, 41993, 44564, 47992, 55705, 59990, 77987, 83986, 89128, 111410, 119980, 155974, 167972, 209965, 222820, 239960, 311948, 335944, 389935, 419930, 445640, 545909, 623896, 779870, 839860, 1091818, 1559740, 1679720, 2183636, 2729545, 3119480, 4367272, 5459090, 10918180, 21836360]

約数ペア:

[(1, 21836360), (2, 10918180), (4, 5459090), (5, 4367272), (7, 3119480), (8, 2729545), (10, 2183636), (13, 1679720), (14, 1559740), (20, 1091818), (26, 839860), (28, 779870), (35, 623896), (40, 545909), (49, 445640), (52, 419930), (56, 389935), (65, 335944), (70, 311948), (91, 239960), (98, 222820), (104, 209965), (130, 167972), (140, 155974), (182, 119980), (196, 111410), (245, 89128), (260, 83986), (280, 77987), (364, 59990), (392, 55705), (455, 47992), (490, 44564), (520, 41993), (637, 34280), (728, 29995), (857, 25480), (910, 23996), (980, 22282), (1274, 17140), (1714, 12740), (1820, 11998), (1960, 11141), (2548, 8570), (3185, 6856), (3428, 6370), (3640, 5999), (4285, 5096)]