21587574531

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{1283}}^1$

素因数の和:1512

約数の個数: 64

約数和(自身を含む): 31630528512

約数和(自身を除く): 10042953981

約数列:

[1, 3, 23, 43, 53, 69, 107, 129, 159, 321, 989, 1219, 1283, 2279, 2461, 2967, 3657, 3849, 4601, 5671, 6837, 7383, 13803, 17013, 29509, 52417, 55169, 67999, 88527, 105823, 130433, 137281, 157251, 165507, 203997, 243853, 317469, 391299, 411843, 731559, 1268887, 1563977, 2923957, 3157463, 3806661, 4691931, 5608619, 5903083, 7275893, 8771871, 9472389, 16825857, 17709249, 21827679, 67251011, 135770909, 167345539, 201753033, 312863399, 407312727, 502036617, 938590197, 7195858177, 21587574531]

約数ペア:

[(1, 21587574531), (3, 7195858177), (23, 938590197), (43, 502036617), (53, 407312727), (69, 312863399), (107, 201753033), (129, 167345539), (159, 135770909), (321, 67251011), (989, 21827679), (1219, 17709249), (1283, 16825857), (2279, 9472389), (2461, 8771871), (2967, 7275893), (3657, 5903083), (3849, 5608619), (4601, 4691931), (5671, 3806661), (6837, 3157463), (7383, 2923957), (13803, 1563977), (17013, 1268887), (29509, 731559), (52417, 411843), (55169, 391299), (67999, 317469), (88527, 243853), (105823, 203997), (130433, 165507), (137281, 157251)]