21464709123

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1\times {\mathrm{2521}}^1$

素因数の和:2860

約数の個数: 64

約数和(自身を含む): 34166845440

約数和(自身を除く): 12702136317

約数列:

[1, 3, 11, 13, 33, 39, 89, 143, 223, 267, 429, 669, 979, 1157, 2453, 2521, 2899, 2937, 3471, 7359, 7563, 8697, 12727, 19847, 27731, 31889, 32773, 38181, 59541, 83193, 95667, 98319, 218317, 224369, 258011, 360503, 562183, 654951, 673107, 774033, 1081509, 1686549, 2468059, 2838121, 2916797, 6184013, 7308379, 7404177, 8514363, 8750391, 18552039, 21925137, 32084767, 50034287, 80392169, 96254301, 150102861, 241176507, 550377157, 650445731, 1651131471, 1951337193, 7154903041, 21464709123]

約数ペア:

[(1, 21464709123), (3, 7154903041), (11, 1951337193), (13, 1651131471), (33, 650445731), (39, 550377157), (89, 241176507), (143, 150102861), (223, 96254301), (267, 80392169), (429, 50034287), (669, 32084767), (979, 21925137), (1157, 18552039), (2453, 8750391), (2521, 8514363), (2899, 7404177), (2937, 7308379), (3471, 6184013), (7359, 2916797), (7563, 2838121), (8697, 2468059), (12727, 1686549), (19847, 1081509), (27731, 774033), (31889, 673107), (32773, 654951), (38181, 562183), (59541, 360503), (83193, 258011), (95667, 224369), (98319, 218317)]