21771054214

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{83}}^1\times {\mathrm{110863}}^1$

素因数の和:110981

約数の個数: 48

約数和(自身を含む): 40900833792

約数和(自身を除く): 19129779578

約数列:

[1, 2, 7, 13, 14, 26, 83, 91, 166, 169, 182, 338, 581, 1079, 1162, 1183, 2158, 2366, 7553, 14027, 15106, 28054, 98189, 110863, 196378, 221726, 776041, 1441219, 1552082, 2882438, 9201629, 10088533, 18403258, 18735847, 20177066, 37471694, 64411403, 119621177, 128822806, 131150929, 239242354, 262301858, 837348239, 1555075301, 1674696478, 3110150602, 10885527107, 21771054214]

約数ペア:

[(1, 21771054214), (2, 10885527107), (7, 3110150602), (13, 1674696478), (14, 1555075301), (26, 837348239), (83, 262301858), (91, 239242354), (166, 131150929), (169, 128822806), (182, 119621177), (338, 64411403), (581, 37471694), (1079, 20177066), (1162, 18735847), (1183, 18403258), (2158, 10088533), (2366, 9201629), (7553, 2882438), (14027, 1552082), (15106, 1441219), (28054, 776041), (98189, 221726), (110863, 196378)]