21818628

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2027}}^1$

素因数の和:2073

約数の個数: 72

約数和(自身を含む): 62008128

約数和(自身を除く): 40189500

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 36, 39, 46, 52, 69, 78, 92, 117, 138, 156, 207, 234, 276, 299, 414, 468, 598, 828, 897, 1196, 1794, 2027, 2691, 3588, 4054, 5382, 6081, 8108, 10764, 12162, 18243, 24324, 26351, 36486, 46621, 52702, 72972, 79053, 93242, 105404, 139863, 158106, 186484, 237159, 279726, 316212, 419589, 474318, 559452, 606073, 839178, 948636, 1212146, 1678356, 1818219, 2424292, 3636438, 5454657, 7272876, 10909314, 21818628]

約数ペア:

[(1, 21818628), (2, 10909314), (3, 7272876), (4, 5454657), (6, 3636438), (9, 2424292), (12, 1818219), (13, 1678356), (18, 1212146), (23, 948636), (26, 839178), (36, 606073), (39, 559452), (46, 474318), (52, 419589), (69, 316212), (78, 279726), (92, 237159), (117, 186484), (138, 158106), (156, 139863), (207, 105404), (234, 93242), (276, 79053), (299, 72972), (414, 52702), (468, 46621), (598, 36486), (828, 26351), (897, 24324), (1196, 18243), (1794, 12162), (2027, 10764), (2691, 8108), (3588, 6081), (4054, 5382)]