21707991844

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{5039}}^1$

素因数の和:5329

約数の個数: 96

約数和(自身を含む): 48283361280

約数和(自身を除く): 26575369436

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 71, 77, 142, 154, 197, 284, 308, 394, 497, 781, 788, 994, 1379, 1562, 1988, 2167, 2758, 3124, 4334, 5039, 5467, 5516, 8668, 10078, 10934, 13987, 15169, 20156, 21868, 27974, 30338, 35273, 55429, 55948, 60676, 70546, 97909, 110858, 141092, 153857, 195818, 221716, 307714, 357769, 388003, 391636, 615428, 715538, 776006, 992683, 1076999, 1431076, 1552012, 1985366, 2153998, 2504383, 3935459, 3970732, 4307996, 5008766, 6948781, 7870918, 10017532, 10919513, 13897562, 15741836, 21839026, 27548213, 27795124, 43678052, 55096426, 70480493, 76436591, 110192852, 140960986, 152873182, 281921972, 305746364, 493363451, 775285423, 986726902, 1550570846, 1973453804, 3101141692, 5426997961, 10853995922, 21707991844]

約数ペア:

[(1, 21707991844), (2, 10853995922), (4, 5426997961), (7, 3101141692), (11, 1973453804), (14, 1550570846), (22, 986726902), (28, 775285423), (44, 493363451), (71, 305746364), (77, 281921972), (142, 152873182), (154, 140960986), (197, 110192852), (284, 76436591), (308, 70480493), (394, 55096426), (497, 43678052), (781, 27795124), (788, 27548213), (994, 21839026), (1379, 15741836), (1562, 13897562), (1988, 10919513), (2167, 10017532), (2758, 7870918), (3124, 6948781), (4334, 5008766), (5039, 4307996), (5467, 3970732), (5516, 3935459), (8668, 2504383), (10078, 2153998), (10934, 1985366), (13987, 1552012), (15169, 1431076), (20156, 1076999), (21868, 992683), (27974, 776006), (30338, 715538), (35273, 615428), (55429, 391636), (55948, 388003), (60676, 357769), (70546, 307714), (97909, 221716), (110858, 195818), (141092, 153857)]