21947198

素因数分解:

$2^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1$

素因数の和:166

約数の個数: 64

約数和(自身を含む): 43545600

約数和(自身を除く): 21598402

約数列:

[1, 2, 7, 13, 14, 23, 26, 46, 49, 91, 98, 107, 161, 182, 214, 299, 322, 343, 598, 637, 686, 749, 1127, 1274, 1391, 1498, 2093, 2254, 2461, 2782, 4186, 4459, 4922, 5243, 7889, 8918, 9737, 10486, 14651, 15778, 17227, 19474, 29302, 31993, 34454, 36701, 63986, 68159, 73402, 102557, 120589, 136318, 205114, 223951, 241178, 447902, 477113, 844123, 954226, 1567657, 1688246, 3135314, 10973599, 21947198]

約数ペア:

[(1, 21947198), (2, 10973599), (7, 3135314), (13, 1688246), (14, 1567657), (23, 954226), (26, 844123), (46, 477113), (49, 447902), (91, 241178), (98, 223951), (107, 205114), (161, 136318), (182, 120589), (214, 102557), (299, 73402), (322, 68159), (343, 63986), (598, 36701), (637, 34454), (686, 31993), (749, 29302), (1127, 19474), (1274, 17227), (1391, 15778), (1498, 14651), (2093, 10486), (2254, 9737), (2461, 8918), (2782, 7889), (4186, 5243), (4459, 4922)]