21167019944

素因数分解:

$2^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1009}}^1\times {\mathrm{3637}}^1$

素因数の和:4762

約数の個数: 64

約数和(自身を含む): 45856262400

約数和(自身を除く): 24689242456

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 103, 206, 412, 721, 824, 1009, 1442, 2018, 2884, 3637, 4036, 5768, 7063, 7274, 8072, 14126, 14548, 25459, 28252, 29096, 50918, 56504, 101836, 103927, 203672, 207854, 374611, 415708, 727489, 749222, 831416, 1454978, 1498444, 2622277, 2909956, 2996888, 3669733, 5244554, 5819912, 7339466, 10489108, 14678932, 20978216, 25688131, 29357864, 51376262, 102752524, 205505048, 377982499, 755964998, 1511929996, 2645877493, 3023859992, 5291754986, 10583509972, 21167019944]

約数ペア:

[(1, 21167019944), (2, 10583509972), (4, 5291754986), (7, 3023859992), (8, 2645877493), (14, 1511929996), (28, 755964998), (56, 377982499), (103, 205505048), (206, 102752524), (412, 51376262), (721, 29357864), (824, 25688131), (1009, 20978216), (1442, 14678932), (2018, 10489108), (2884, 7339466), (3637, 5819912), (4036, 5244554), (5768, 3669733), (7063, 2996888), (7274, 2909956), (8072, 2622277), (14126, 1498444), (14548, 1454978), (25459, 831416), (28252, 749222), (29096, 727489), (50918, 415708), (56504, 374611), (101836, 207854), (103927, 203672)]