21000340816

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2060473}}^1$

素因数の和:2060508

約数の個数: 60

約数和(自身を含む): 50972005812

約数和(自身を除く): 29971664996

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 49, 52, 56, 91, 98, 104, 112, 182, 196, 208, 364, 392, 637, 728, 784, 1274, 1456, 2548, 5096, 10192, 2060473, 4120946, 8241892, 14423311, 16483784, 26786149, 28846622, 32967568, 53572298, 57693244, 100963177, 107144596, 115386488, 187503043, 201926354, 214289192, 230772976, 375006086, 403852708, 428578384, 750012172, 807705416, 1312521301, 1500024344, 1615410832, 2625042602, 3000048688, 5250085204, 10500170408, 21000340816]

約数ペア:

[(1, 21000340816), (2, 10500170408), (4, 5250085204), (7, 3000048688), (8, 2625042602), (13, 1615410832), (14, 1500024344), (16, 1312521301), (26, 807705416), (28, 750012172), (49, 428578384), (52, 403852708), (56, 375006086), (91, 230772976), (98, 214289192), (104, 201926354), (112, 187503043), (182, 115386488), (196, 107144596), (208, 100963177), (364, 57693244), (392, 53572298), (637, 32967568), (728, 28846622), (784, 26786149), (1274, 16483784), (1456, 14423311), (2548, 8241892), (5096, 4120946), (10192, 2060473)]