21497639254

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{293099}}^1$

素因数の和:293165

約数の個数: 48

約数和(自身を含む): 41193446400

約数和(自身を除く): 19695807146

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 169, 182, 217, 338, 403, 434, 806, 1183, 2366, 2821, 5239, 5642, 10478, 36673, 73346, 293099, 586198, 2051693, 3810287, 4103386, 7620574, 9086069, 18172138, 26672009, 49533731, 53344018, 63602483, 99067462, 118118897, 127204966, 236237794, 346736117, 693472234, 826832279, 1535545661, 1653664558, 3071091322, 10748819627, 21497639254]

約数ペア:

[(1, 21497639254), (2, 10748819627), (7, 3071091322), (13, 1653664558), (14, 1535545661), (26, 826832279), (31, 693472234), (62, 346736117), (91, 236237794), (169, 127204966), (182, 118118897), (217, 99067462), (338, 63602483), (403, 53344018), (434, 49533731), (806, 26672009), (1183, 18172138), (2366, 9086069), (2821, 7620574), (5239, 4103386), (5642, 3810287), (10478, 2051693), (36673, 586198), (73346, 293099)]