21742084

素因数分解:

$2^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1$

素因数の和:114

約数の個数: 96

約数和(自身を含む): 50803200

約数和(自身を除く): 29061116

約数列:

[1, 2, 4, 7, 13, 14, 23, 26, 28, 46, 49, 52, 53, 91, 92, 98, 106, 161, 182, 196, 212, 299, 322, 343, 364, 371, 598, 637, 644, 686, 689, 742, 1127, 1196, 1219, 1274, 1372, 1378, 1484, 2093, 2254, 2438, 2548, 2597, 2756, 4186, 4459, 4508, 4823, 4876, 5194, 7889, 8372, 8533, 8918, 9646, 10388, 14651, 15778, 15847, 17066, 17836, 18179, 19292, 29302, 31556, 31694, 33761, 34132, 36358, 58604, 59731, 63388, 67522, 72716, 102557, 110929, 119462, 135044, 205114, 221858, 236327, 238924, 410228, 418117, 443716, 472654, 776503, 836234, 945308, 1553006, 1672468, 3106012, 5435521, 10871042, 21742084]

約数ペア:

[(1, 21742084), (2, 10871042), (4, 5435521), (7, 3106012), (13, 1672468), (14, 1553006), (23, 945308), (26, 836234), (28, 776503), (46, 472654), (49, 443716), (52, 418117), (53, 410228), (91, 238924), (92, 236327), (98, 221858), (106, 205114), (161, 135044), (182, 119462), (196, 110929), (212, 102557), (299, 72716), (322, 67522), (343, 63388), (364, 59731), (371, 58604), (598, 36358), (637, 34132), (644, 33761), (686, 31694), (689, 31556), (742, 29302), (1127, 19292), (1196, 18179), (1219, 17836), (1274, 17066), (1372, 15847), (1378, 15778), (1484, 14651), (2093, 10388), (2254, 9646), (2438, 8918), (2548, 8533), (2597, 8372), (2756, 7889), (4186, 5194), (4459, 4876), (4508, 4823)]