21787306996

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6571}}^1\times {\mathrm{9109}}^1$

素因数の和:15704

約数の個数: 48

約数和(自身を含む): 46938801280

約数和(自身を除く): 25151494284

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 6571, 9109, 13142, 18218, 26284, 36436, 45997, 63763, 85423, 91994, 118417, 127526, 170846, 183988, 236834, 255052, 341692, 473668, 597961, 828919, 1195922, 1657838, 2391844, 3315676, 59855239, 119710478, 239420956, 418986673, 778118107, 837973346, 1556236214, 1675946692, 3112472428, 5446826749, 10893653498, 21787306996]

約数ペア:

[(1, 21787306996), (2, 10893653498), (4, 5446826749), (7, 3112472428), (13, 1675946692), (14, 1556236214), (26, 837973346), (28, 778118107), (52, 418986673), (91, 239420956), (182, 119710478), (364, 59855239), (6571, 3315676), (9109, 2391844), (13142, 1657838), (18218, 1195922), (26284, 828919), (36436, 597961), (45997, 473668), (63763, 341692), (85423, 255052), (91994, 236834), (118417, 183988), (127526, 170846)]